CN105156259B - A kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation - Google Patents
A kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation Download PDFInfo
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- CN105156259B CN105156259B CN201510410218.9A CN201510410218A CN105156259B CN 105156259 B CN105156259 B CN 105156259B CN 201510410218 A CN201510410218 A CN 201510410218A CN 105156259 B CN105156259 B CN 105156259B
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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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Abstract
The present invention discloses a kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation, including dual-rod hydraulic cylinder, high-pressure oil passage, motor, motor, low pressure oil way and fuel tank；The dual-rod hydraulic cylinder includes the first rod chamber and the second rod chamber, and first rod chamber, second have chamber bar, high-pressure oil passage, motor, low pressure oil way, fuel tank formation system circuit, and the motor is to drive the motor to generate electricity.The 3rd check valve, the 4th check valve, at least one energy storage equipment and the first flow speed control valve are provided with the high-pressure oil passage；Filter, the 5th check valve, the first check valve, the second check valve are provided with the low pressure oil way.The wave-activated power generation Hydraulic Power Transmission System also includes overflow energy feedback oil circuit and multistage active negotiation control device.The present invention has the advantages that multistage actively regulation can be carried out according to the difference of current Wave energy region intermediate wave energy density to generate electricity.
Description
Technical field
The present invention relates to ocean wave energy for generating electricity technology, more particularly to a kind of wave-energy power generation hydraulic pressure of multistage active negotiation
Transmission system.
Technical background
The energy collected can be exported, is transferred in generator by wave energy conversion device in specific form.By
In the energy production of wave energy determined by natural conditions and geographical environment, energy variation amplitude, frequency accidental are larger, input
Power is general unstable, discontinuous, or even has a rapid mutation, the impact resistance of its mechanical structure to TRT, stability
It there are certain requirements with reliability.In energy conversion device, hydraulic drive is because with structure type is simple, flexible transfer, accumulation of energy
The advantages of voltage stabilizing, high pulling torque, it is widely adopted.
Traditional Hydraulic Power Transmission System is using Wave energy fluctuation caused by the gentle velocity of wave ripple condition change of accumulator, so that real
The stable output of existing energy, but be due to that capture mechanism mechanical periodicity is complicated, hydraulicefficiency is low and accumulator is passively adjusted
The problems such as section, so as to have influence on electric power quality and cost.In the case, if wave energy can be carried out into energy subregion, then
Multistage actively regulation is carried out according to region, the raising of wave energy power generation system hydraulicefficiency will be very beneficial for.
The content of the invention
The invention provides a kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation, for solving prior art
Wave electricity generation system can not be in current Wave energy region the difference of wave energy density carry out multistage actively regulation hair
The technical deficiency of electricity.
The present invention solves above-mentioned technical problem by following technological means：A kind of wave-energy power generation liquid of multistage active negotiation
Press transmission system, including dual-rod hydraulic cylinder, high-pressure oil passage, motor, motor, low pressure oil way and fuel tank；The double-rod hydraulic pressure
Cylinder includes the first rod chamber and the second rod chamber, and first rod chamber, second have chamber bar, high-pressure oil passage, motor, low pressure oil
Road, fuel tank formation system circuit, the motor is to drive the motor to generate electricity；The 3rd is provided with the high-pressure oil passage single
To valve, the 4th check valve, at least one energy storage equipment and the first flow speed control valve；The entrance of 3rd check valve, the described 4th
The entrance of check valve interlinks with first rod chamber, the second rod chamber respectively, the exporting of the 3rd check valve, described
The one end of the outlet of four check valves with first flow speed control valve interlinks, the other end and the motor of first flow speed control valve
Fluid input interlink；Filter is provided with the low pressure oil way, it is the 5th check valve, the first check valve, second unidirectional
Valve, one end of the filter and the fluid output end of the motor interlink, the other end of the filter and the described 5th
The entrance of check valve is connected, entrance of the outlet with first check valve of the 5th check valve, described second unidirectional
The entrance of valve is connected, first check valve, second check valve outlet respectively with first rod chamber and
Two rod chambers interlink；The energy storage equipment is connected with the high-pressure oil passage, and the fluid in the high-pressure oil passage can be stored in
In the energy storage equipment；The fuel tank is arranged between the filter and the 5th check valve；
The wave-energy power generation Hydraulic Power Transmission System also includes overflow energy feedback oil circuit and multistage active negotiation control
The second flow speed control valve, two solenoid directional control valves of the 4th two-way, the 4th accumulation of energy are provided with device, the overflow energy feedback oil circuit
Device, overflow valve；The exporting of one end of second flow speed control valve and the 3rd check valve, the outlet of the 4th check valve is connected
Logical, one end of two solenoid directional control valves of the other end and the 4th two-way of second flow speed control valve is connected, and the described 4th 2
The other end for leading to two solenoid directional control valves is connected with the 4th accumulator；The overflow valve is located at the 4th two-way two
Between solenoid directional control valve and the fuel tank；The multistage active negotiation control device includes control box, dsp controller, hydraulic pressure
Control module, first pressure sensor, second pressure sensor；The output end of the control box is defeated with the dsp controller
Enter end to be connected, the output end of the dsp controller is connected with the input of the hydraulic control module, the hydraulic control module
Output end respectively with described first two-way, two solenoid directional control valves, two solenoid directional control valves of the second two-way, the 3rd two-way two
Solenoid directional control valve, two solenoid directional control valves of the 4th two-way, the first flow speed control valve, the second flow speed control valve, overflow valve are connected；First pressure
Force snesor monitors fluid in the pressure of fluid in the high-pressure oil passage, low pressure oil way described in the second pressure Sensor monitoring
Pressure, each self-triggering monitoring signal is sent to the dsp controller by all the sensors.
Preferably：The energy storage equipment is three, including the first energy storage equipment, the second energy storage equipment and the 3rd accumulation of energy dress
Put, first energy storage equipment；Second energy storage equipment, the 3rd energy storage equipment are disposed in parallel in the high-pressure oil passage successively
On；First energy storage equipment includes the first accumulator, two solenoid directional control valves of the first two-way, and second energy storage equipment includes
Second accumulator, two solenoid directional control valves of the second two-way, the 3rd energy storage equipment include the 3rd accumulator, the 3rd two-way two
Solenoid directional control valve；One end of each two solenoid directional control valve of two-way is connected with the high-pressure oil passage, each two-way two
The other end of solenoid directional control valve is connected with corresponding accumulator.
Preferably：The nominal pressure of first accumulator and the 4th accumulator is 5MPa, and capacity is 5L；Institute
The nominal pressure for stating the second accumulator is 10MPa, and capacity is 10L；The nominal pressure of 3rd accumulator is 2MPa, and capacity is
20L。
Preferably：Flowmeter and pressure gauge are additionally provided with the high-pressure oil passage, the flowmeter is to test list
The fluid amount of high-pressure oil passage, the pressure of pressure gauge testing high voltage oil circuit are flowed through in the time of position.
Preferably：Thermometer is additionally provided with the low pressure oil way, thermometer is located at the fuel tank and the filter
Between, temperature change of the thermometer to detect the low pressure oil way.
Preferably：In first check valve, second check valve, the 3rd check valve, the 4th check valve
Between be additionally provided with the first stop valve；The second stop valve, second stop valve and institute are additionally provided with the high-pressure oil passage
It is in be arranged in parallel to state the first flow speed control valve.
Preferably：The wave-energy power generation Hydraulic Power Transmission System also includes oiling device, and the oiling device includes oiling
Case and oiling road, the oiling case are interlinked by the oiling road and the system circuit；Also set on the oiling road
It is equipped with the 3rd stop valve.
Preferably：The wave-energy power generation Hydraulic Power Transmission System also include moment of torsion revolution speed sensing instrument, booster engine, flying wheel,
Reductor and load；The moment of torsion revolution speed sensing instrument is to detect the output speed of motor and pass the output speed in real time
Dsp controller is passed, the output end of the hydraulic control module is also associated with the load；The motor is radial column Saimaa
Reach, the output shaft of the radial plunger piston motor is connected with one end of the moment of torsion revolution speed sensing instrument, the moment of torsion revolution speed sensing instrument
The other end be connected with the input shaft of the booster engine, the output shaft of the booster engine is connected with the input shaft of the flying wheel,
The output shaft of the flying wheel is connected with the input shaft of the reductor, and the output shaft of the reductor is defeated with the generator
Enter axle connection, the output shaft of the generator is connected with the load.
Preferably：Unloading port is additionally provided with the motor, the unloading port interlinks with fuel tank.
The principle of the present invention：When wave is moved upwards, the oil in the first rod chamber of the double-rod hydraulic jack in the present invention
Liquid, which is under pressure, to be acted through the 3rd check valve and is pressed into through high-pressure oil passage into motor, drive motor rotation, drives generator hair
Electricity, and be pressed into the fluid of motor and flowed into again through low pressure oil way in fuel tank.Simultaneously, the second rod chamber carries out oil suction, oil
Fluid in case is flowed into the second rod chamber through the 5th check valve and the second check valve successively.When wave is moved downward,
Fluid in second rod chamber of the double-rod hydraulic jack in the present invention, which is under pressure, acts through the 4th check valve through hydraulic oil
Road is pressed into motor, drive motor rotation, drives electrical power generators, and is pressed into the fluid of motor and is flowed into again through low pressure oil way
Into fuel tank.Simultaneously, the fluid that the first rod chamber is carried out in oil suction, fuel tank is unidirectional through the 5th check valve and first successively
Valve is flowed into the first rod chamber.
The energy of conventional wave energy capturing device capture is divided into high-energy area, low energy area and best effort area.
At low energy area, wave energy density is smaller, and energy is weaker, and first pressure sensor sends induced signal, DSP controls
Device is received after signal, on the one hand control the 4th two-way two solenoid directional control valves, the second flow speed control valve are powered, now the 4th accumulator
Internal pressure is more than the pressure at pressure gauge, and the fluid that the 4th accumulator is carried out in emptying, the 4th accumulator flows into hydraulic oil
Lu Zhong, the fluid extruded with the first rod chamber is together pressed into motor, it is ensured that motor rotary speed within the specific limits steady；Separately
On the one hand, regulation load is reduced system load and acted on using the mechanical accumulated energy of flying wheel, and generator will continue to keep motion.By
In the motor used for radial plunger piston motor, the characteristics of with low-speed high-efficiency, in order that flying wheel plays preferably accumulation of energy effect
Really, booster engine is set in the output end of radial plunger piston motor, improves the rotating speed of flying wheel.But because the best effort of generator turns
Speed has certain scope, therefore increases reductor in the output end of flying wheel, reductor output speed is inputted with generator and turns
Speed matching.The mode that accumulation of energy effect and speedup using flying wheel are slowed down again reaches the purpose of two grades of gentle accumulation of energys, makes generating
Machine further obtains preferable input speed at low energy area.
At high-energy area, wave energy density is larger, and energy is stronger, and first pressure sensor sends reaction signal, DSP controls
Device is received after signal, two solenoid directional control valves of the first two-way of control, two solenoid directional control valves of the second two-way, two electricity of the 3rd two-way
Magnetic reversal valve, two solenoid directional control valves of the 4th two-way, the second flow speed control valve, overflow valve are powered, now the inside pressure of each accumulator
The part fluid that power is less than in the pressure at pressure gauge, high-pressure oil passage is flowed into each accumulator, carries out storing oil, and by overflowing
The adjustment effect control of stream valve flows into the fluid amount of fuel tank, and remaining fluid is pressed into motor, it is ensured that motor rotary speed exists
It is a range of steady.Similarly, the accumulation of energy effect of flying wheel and the mode slowed down again using speedup reach two grades of gentle storages
Can, two grades of gentle accumulation of energys coordinate the accumulation of energy effect of energy storage equipment to play the effect of dual gentle generator speed.
At best effort area, wave energy density is optimum state, and without carrying out storing oil and emptying, system is steadily carried out, and is sent out
Power of motor is relatively stablized.
Oiling device carries out oiling to the system to original state.
The advantage of the invention is that：By the way that wave energy is divided into high-energy area, low energy area and best effort area, utilize with
Dsp controller realizes the strategy of actively regulation control for the control device of hinge.At high-energy area, storage is stored energy in
In energy device；At low energy area, the load of regulator generator output end carries out wave power matching, realizes continuous during the motor slow-speed of revolution
Generate electricity.
Dynamic bind is coordinated into accumulator accumulation of energy, flying wheel mechanical accumulated energy and load, motor is carried out by the first flow speed control valve
Speed stabilizing regulation, system whole efficiency and controllability is greatly improved.
Unloading port is set on motor so that unloading port interlinks with fuel tank, the fluid in motor can be carried out timely
Cleaning.The pressure and temperature of second sensor and thermometer respectively to monitoring low tension loop in real time.
When system capacity is higher, the overflow valve can regulate and control to flow directly into the fluid amount of fuel tank, regulate and control overflow energy
Loss, and play a part of safeguard protection.
When system capacity is relatively low, the fluid in the 4th accumulator can carry out the release of energy by the second flow speed control valve；When
When system capacity is higher, the 4th accumulator can reclaim spill losses energy by the second flow speed control valve.
Brief description of the drawings
Fig. 1 is the energy subregion schematic diagram of the embodiment of the present invention.
Fig. 2 is the schematic diagram of multistage active negotiation control in the embodiment of the present invention.
Acquisition equipment schematic diagram in Fig. 3 embodiment of the present invention.
Fig. 4 is the schematic diagram of the embodiment of the present invention.
Specific embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
As in Figure 2-4, the present embodiment discloses a kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation, including
Dual-rod hydraulic cylinder 1, high-pressure oil passage, motor 18, motor 22, low pressure oil way and fuel tank 33.
The dual-rod hydraulic cylinder 1 include the first rod chamber 101 and the second rod chamber 102, first rod chamber 101,
Second has chamber bar 102, high-pressure oil passage, motor 18, low pressure oil way, the formation system circuit of fuel tank 33, and the motor 18 is to drive
The motor 22 generates electricity；The 3rd check valve 3, the 4th check valve 5, energy storage equipment and first are provided with the high-pressure oil passage
Flow speed control valve 16；The entrance of 3rd check valve 3, the entrance of the 4th check valve 5 respectively with first rod chamber 101,
Second rod chamber 102 is interlinked, and the exporting of the 3rd check valve 3, the outlet of the 4th check valve 5 are adjusted with described first
One end of fast valve 16 interlinks, and the fluid input of the other end of the first flow speed control valve 16 and the motor 18 interlinks；It is described low
Force feed is provided with filter 24, the 5th check valve 31, the first check valve 2, the second check valve 4, the one of the filter 24 on road
The fluid output end with the motor 18 is held to interlink, the entrance of the other end of the filter 24 and the 5th check valve 31
It is connected, the entrance, the entrance of second check valve 4 that export with first check valve 2 of the 5th check valve 31
It is connected, first check valve 2, the outlet of second check valve 4 have with first rod chamber 101 and second respectively
Rod cavity 102 interlinks；The energy storage equipment is connected with the high-pressure oil passage, and the fluid in high-pressure oil passage can be stored in the storage
In energy device；The energy storage equipment is three, including the first energy storage equipment, the second energy storage equipment and the 3rd energy storage equipment, institute
The first energy storage equipment, second energy storage equipment, the 3rd energy storage equipment is stated to be disposed in parallel in successively on the high-pressure oil passage.It is described
First energy storage equipment includes the first accumulator 11, two solenoid directional control valves 10 of the first two-way, and second energy storage equipment includes the
Two accumulators 13, two solenoid directional control valves 12 of the second two-way, the 3rd energy storage equipment include the 3rd accumulator 15, the 3rd two-way
Two solenoid directional control valves 14；One end of each two solenoid directional control valve of two-way is connected with the high-pressure oil passage, each
The other end of two solenoid directional control valves of two-way is connected with corresponding accumulator.The fuel tank 33 is arranged at the filter
Between 24 and the 5th check valve 31.
The wave-energy power generation Hydraulic Power Transmission System also includes overflow energy feedback oil circuit and multistage active negotiation control
The second flow speed control valve 30, two solenoid directional control valves 28 of the 4th two-way, the 4th storage are provided with device, the overflow energy feedback oil circuit
Can device 29, overflow valve 27；The exporting of one end of second flow speed control valve 30 and the 3rd check valve 3, the 4th check valve 4
Outlet be connected, one end of two solenoid directional control valves 28 of the other end and the 4th two-way of second flow speed control valve 30 is connected
Logical, the other end of two solenoid directional control valves 28 of the 4th two-way is connected with the 4th accumulator 29；The overflow valve 27
Between described 4th two-way, two solenoid directional control valves 28 and the fuel tank 33；The multistage active negotiation control device bag
Include control box 40, dsp controller 41, hydraulic control module 49, first pressure sensor 9, second pressure sensor 25；The control
The output end of box 40 processed is connected with the input of the dsp controller 41, output end and the hydraulic pressure of the dsp controller 41
The input of control module 49 is connected, and the output end of the hydraulic control module 49 is changed with described first two-way, two electromagnetism respectively
To valve 10, two solenoid directional control valves 12 of the second two-way, two solenoid directional control valves 14 of the 3rd two-way, two electromagnetic switch of the 4th two-way
Valve 28, the first flow speed control valve 16, the second flow speed control valve 30, overflow valve 27 are connected.The first pressure sensor 9 monitors the hydraulic oil
The pressure of fluid in road, the second pressure sensor 25 monitors the pressure of fluid in the low pressure oil way, and all the sensors are equal
Each self-triggering monitoring signal is sent to the dsp controller 41.The dsp controller 41 passes through power supply changeover device and outside
Power input is connected.
The nominal pressure of first accumulator 11 and the 4th accumulator 29 is 5MPa, and capacity is 5L；It is described
The nominal pressure of second accumulator 13 is 10MPa, and capacity is 10L；The nominal pressure of 3rd accumulator 15 is 2MPa, capacity
For 20L.
Flowmeter 7 and pressure gauge 8 are additionally provided with the high-pressure oil passage, when the flowmeter 7 is used to measuring unit
The interior fluid amount for flowing through high-pressure oil passage, the pressure of the testing high voltage oil circuit of pressure gauge 8.
Thermometer 26 is additionally provided with the low pressure oil way, thermometer 26 is located at the fuel tank 33 and the filter 24
Between, temperature change of the thermometer 26 to detect the low pressure oil way.
Between first check valve 2, second check valve 3, the 3rd check valve 3, the 4th check valve 5
It is additionally provided with the first stop valve 6；The second stop valve 17, second stop valve 17 and institute are additionally provided with the high-pressure oil passage
It is in be arranged in parallel to state the first flow speed control valve 16.
The wave-energy power generation Hydraulic Power Transmission System also include oiling device, the oiling device include oiling case 42 and
Oiling road, the oiling case 42 is interlinked by the oiling road and the system circuit；It is additionally provided with the oiling road
3rd stop valve 32.
The wave-energy power generation Hydraulic Power Transmission System also includes moment of torsion revolution speed sensing instrument 34, booster engine 19, flying wheel 20, subtracted
Fast machine 21 and load 23.The moment of torsion revolution speed sensing instrument 34 is to detect the output speed of motor 18 and by the output speed
Dsp controller 41 is passed in real time, and the output end of the hydraulic control module 49 is also associated with the load 23.The motor 18
For radial plunger piston motor, the output shaft of the radial plunger piston motor is connected with one end of the moment of torsion revolution speed sensing instrument 34, described
The other end of moment of torsion revolution speed sensing instrument 34 is connected with the input shaft of the booster engine 19, the output shaft of the booster engine 19 with it is described
The input shaft connection of flying wheel 20, the output shaft of the flying wheel 20 is connected with the input shaft of the reductor 21, described to slow down
The output shaft of machine 21 is connected with the input shaft of the generator 22, and the output shaft of the generator 22 is connected with the load 23.
Unloading port is additionally provided with motor 18, the unloading port interlinks with fuel tank 33.
When wave is moved upwards, the fluid in the first rod chamber 101 of the double-rod hydraulic jack 1 in the present embodiment is pressed
Power acts through the 3rd check valve 3 and is pressed into through high-pressure oil passage into motor 18, and drive motor 18 rotates, and drives generator 22 to send out
Electricity, and be pressed into the fluid of motor 18 and flowed into again through low pressure oil way in fuel tank 33.Simultaneously, the second rod chamber 102 is carried out
Fluid in oil suction, fuel tank 33 is flowed into the second rod chamber 102 through the 5th check valve 31 and the second check valve 4 successively.When
When wave is moved downward, the fluid in the second rod chamber 102 of double-rod hydraulic jack 1, which is under pressure, acts through the 4th check valve
5 are pressed into motor 18 through high-pressure oil passage, and drive motor 18 rotates, and drive generator 22 to generate electricity, and are pressed into the oil of motor 18
Liquid is flowed into fuel tank 33 through low pressure oil way again.Simultaneously, the first rod chamber 101 carries out oil suction, the fluid in fuel tank 33 according to
It is secondary to be flowed into through the 5th check valve 31 and the first check valve 2 in the first rod chamber 101.
As shown in figure 1, the energy that conventional wave energy capturing device 45 is captured is divided into low energy area 46, high-energy area 48
With best effort area 47.
At low energy area 46, wave energy density is smaller, and energy is weaker, and first pressure sensor 9 sends induced signal, DSP
Controller 41 is received after signal, and on the one hand control the 4th two-way two solenoid directional control valves 28, the second flow speed control valve 30 are powered, and now the
The internal pressure of four accumulators 29 is more than the pressure at pressure gauge 8, and the 4th accumulator 29 is carried out in emptying, the 4th accumulator 29
Fluid is flowed into high-pressure oil passage, and the fluid extruded with the first rod chamber 101 is together pressed into motor 18, it is ensured that 18 turns of motor
Speed within the specific limits steady；On the other hand, regulation load 23 reduces system load and utilizes the mechanical accumulated energy of flying wheel 20
Effect, generator 22 will continue to keep motion.Because the motor 18 used is radial plunger piston motor, the spy with low-speed high-efficiency
Point, in order that obtaining flying wheel 20 plays preferably energy storage effect, sets booster engine 19 in the output end of radial plunger piston motor, improves
The rotating speed of flying wheel 20.But because the optimum operating speed of generator 22 has certain scope, therefore in the output of flying wheel 20
End increase reductor 21, makes the output speed of reductor 21 be matched with the input speed of generator 22.Made using the accumulation of energy of flying wheel 20
With and the mode slowed down again of speedup reach the purposes of two grades of gentle accumulation of energys, generator 22 is further obtained at low energy area
Preferable input speed.
At high-energy area, wave energy density is larger, and energy is stronger, and first pressure sensor 9 sends reaction signal, DSP controls
Device 41 processed is received after signal, two solenoid directional control valves 10 of the first two-way of control, two solenoid directional control valves of the second two-way the 12, the 3rd 2
Lead to two solenoid directional control valves 14, two solenoid directional control valves 28 of the 4th two-way, the second flow speed control valve 30, overflow valves 27 to be powered, now respectively
The part fluid that the internal pressure of individual accumulator is less than in the pressure at pressure gauge 8, high-pressure oil passage is separately flowed into the first accumulation of energy
In device 11, the second accumulator 13, the 3rd accumulator 15, the 4th accumulator 28, carry out storing oil, and by the regulation of overflow valve 27 make
The fluid amount of fuel tank 33 is flowed into control, and remaining fluid is pressed into motor 18, it is ensured that the rotating speed of motor 18 is in certain model
It is steady in enclosing.Similarly, the accumulation of energy of flying wheel 20 acts on and reached by way of speedup is slowed down again two grades of gentle accumulation of energys, two
The gentle accumulation of energy of level coordinates the accumulation of energy effect of energy storage equipment to play the effect of the dual rotating speed of gentle generator 22.
At best effort area, wave energy density is optimum state, and without carrying out storing oil and emptying, system is steadily carried out, and is sent out
The power of motor 22 is relatively stablized.
Oiling device carries out oiling to the system to original state.
The preferred embodiment of the invention is the foregoing is only, creation is not intended to limit the invention, it is all at this
Any modifications, equivalent substitutions and improvements made within the spirit and principle of innovation and creation etc., should be included in the invention
Protection domain within.
Claims (9)
1. a kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation, including it is connected to the hydraulic pressure of wave energy capturing device
Cylinder, high-pressure oil passage, motor, generator and low pressure oil way；The hydraulic cylinder includes the first rod chamber and the second rod chamber, institute
Motor is stated to drive the electrical power generators；The 3rd check valve, the 4th check valve, at least one are provided with the high-pressure oil passage
Individual energy storage equipment, the entrance of the 3rd check valve, the entrance of the 4th check valve respectively with first rod chamber, second
Rod chamber is interlinked, and the first check valve, the second check valve, first check valve, described are provided with the low pressure oil way
The outlet of two check valves interlinks with first rod chamber and the second rod chamber respectively, the energy storage equipment and the high pressure
Oil circuit is connected, and the fluid in the high-pressure oil passage can be stored in the energy storage equipment, the wave-energy power generation hydraulic drive
System also includes overflow energy feedback oil circuit and multistage active negotiation control device, it is characterised in that
The transmission system also includes fuel tank, first rod chamber, the second rod chamber, high-pressure oil passage, motor, low pressure oil way, oil
Box-shaped is into system circuit, and the hydraulic cylinder is dual-rod hydraulic cylinder, is additionally provided with the first flow speed control valve on the high-pressure oil passage, and described the
The one end of the exporting of three check valves, the outlet of the 4th check valve with first flow speed control valve interlinks, and described first adjusts
The fluid input of the other end of fast valve and the motor interlinks；Filter, the 5th list are additionally provided with the low pressure oil way
To valve, one end of the filter and the fluid output end of the motor interlink, the other end of the filter and described the
The entrance of five check valves is connected, the entrance exported with first check valve of the 5th check valve, second list
It is connected to the entrance of valve；The fuel tank is arranged between the filter and the 5th check valve；
Be provided with the overflow energy feedback oil circuit the second flow speed control valve, two solenoid directional control valves of the 4th two-way, the 4th accumulator,
Overflow valve；The exporting of one end of second flow speed control valve and the 3rd check valve, the outlet of the 4th check valve is connected,
One end of two solenoid directional control valves of the other end of second flow speed control valve and the 4th two-way is connected, the 4th two-way two
The other end of position solenoid directional control valve is connected with the 4th accumulator；The overflow valve is located at described 4th two-way, two electricity
Between magnetic reversal valve and the fuel tank；
The multistage active negotiation control device include control box, dsp controller, hydraulic control module, first pressure sensor,
Second pressure sensor；The output end of the control box is connected with the input of the dsp controller, the dsp controller
Output end is connected with the input of the hydraulic control module, the output end of the hydraulic control module respectively with the first two-way two
Position solenoid directional control valve, two solenoid directional control valves of the second two-way, two solenoid directional control valves of the 3rd two-way, two electromagnetism of the 4th two-way are changed
It is connected to valve, the first flow speed control valve, the second flow speed control valve, overflow valve；It is oily in high-pressure oil passage described in the first pressure Sensor monitoring
The pressure of fluid in the pressure of liquid, low pressure oil way described in the second pressure Sensor monitoring, all the sensors will be touched each
The monitoring signal of hair is sent to the dsp controller；
The energy that wave energy capturing device is captured is divided into low energy area, high-energy area and best effort area；
At low energy area, first pressure sensor sends induced signal, and dsp controller is received after signal, on the one hand control the
Four solenoid directional control valves of two-way two, the second flow speed control valve are powered, now the 4th accumulator（29）Carry out in emptying, the 4th accumulator
Fluid is flowed into high-pressure oil passage, and the fluid extruded with the first rod chamber is together pressed into motor；
At high-energy area, first pressure sensor sends reaction signal, and dsp controller is received after signal, controls the first two-way
Two solenoid directional control valves, two solenoid directional control valves of the second two-way, two solenoid directional control valves of the 3rd two-way, two electromagnetism of the 4th two-way
Reversal valve, the second flow speed control valve, overflow valve are powered, and now the part fluid in high-pressure oil passage flows into energy storage equipment and the 4th accumulation of energy
Device is carried out storing oil, and controls to flow into the fluid amount of fuel tank by the adjustment effect of overflow valve, and remaining fluid is pressed into horse
In reaching；
At best effort area, wave energy density is optimum state, and without carrying out storing oil and emptying, system is steadily carried out.
2. a kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation according to claim 1, its feature exists
In：The energy storage equipment is three, including the first energy storage equipment, the second energy storage equipment and the 3rd energy storage equipment, described first
Energy storage equipment, second energy storage equipment, the 3rd energy storage equipment are disposed in parallel on the high-pressure oil passage successively；Described first stores
Can device include the first accumulator, two solenoid directional control valves of the first two-way, second energy storage equipment includes the second accumulator, the
Two solenoid directional control valves of two-way two, the 3rd energy storage equipment include the 3rd accumulator, two solenoid directional control valves of the 3rd two-way；Often
One end of one two-way, two solenoid directional control valves is connected with the high-pressure oil passage, two solenoid directional control valves of each two-way
The other end is connected with corresponding accumulator.
3. a kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation according to claim 2, it is characterised in that：
The nominal pressure of first accumulator and the 4th accumulator is 5MPa, and capacity is 5L；Second accumulator
Nominal pressure is 10MPa, and capacity is 10L；The nominal pressure of 3rd accumulator is 2MPa, and capacity is 20L.
4. a kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation according to claim 1, it is characterised in that：
Flowmeter and pressure gauge are additionally provided with the high-pressure oil passage, the flowmeter in the measuring unit time to flow through high pressure
The fluid amount of oil circuit, the pressure of pressure gauge testing high voltage oil circuit.
5. a kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation according to claim 1, it is characterised in that：
Thermometer is additionally provided with the low pressure oil way, thermometer is located between the fuel tank and the filter, the thermometer
Temperature change to detect the low pressure oil way.
6. a kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation according to claim 1, it is characterised in that：
First is additionally provided between first check valve, second check valve, the 3rd check valve, the 4th check valve
Stop valve；The second stop valve is additionally provided with the high-pressure oil passage, second stop valve is with first flow speed control valve in simultaneously
Connection is set.
7. a kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation according to claim 1, its feature exists
In：The wave-energy power generation Hydraulic Power Transmission System also includes oiling device, and the oiling device includes oiling case and oiling road,
The oiling case is interlinked by the oiling road and the system circuit；The 3rd cut-off is additionally provided with the oiling road
Valve.
8. a kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation according to claim 1, it is characterised in that：
The wave-energy power generation Hydraulic Power Transmission System also includes moment of torsion revolution speed sensing instrument, booster engine, flying wheel, reductor and load；
The moment of torsion revolution speed sensing instrument to detect the output speed of motor and the output speed passed into dsp controller in real time,
The output end of the hydraulic control module is also associated with the load；The motor is radial plunger piston motor, the radial plunger
The output shaft of motor is connected with one end of the moment of torsion revolution speed sensing instrument, and the other end of the moment of torsion revolution speed sensing instrument increases with described
The input shaft connection of fast machine, the output shaft of the booster engine is connected with the input shaft of the flying wheel, the output of the flying wheel
Axle is connected with the input shaft of the reductor, and the output shaft of the reductor is connected with the input shaft of the generator, the hair
The output shaft of motor is connected with the load.
9. a kind of wave-energy power generation Hydraulic Power Transmission System of multistage active negotiation according to claim 1, it is characterised in that：
Unloading port is additionally provided with the motor, the unloading port interlinks with fuel tank.
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| CN107882802B (en) * | 2017-09-22 | 2019-11-08 | 北京机械设备研究所 | A kind of three-level Erecting System |
| CN109386510A (en) * | 2018-11-23 | 2019-02-26 | 山东大学 | A kind of wave energy generating set self-adaptive damping variable hydraulic control system |
| CN109944834A (en) * | 2019-03-27 | 2019-06-28 | 山东大学 | A kind of floating body can automatic dive and floating wave energy generating set hydraulic control system and control method |
| CN111828234B (en) * | 2020-07-13 | 2022-05-20 | 北京瑞盈同创智能技术研究院有限公司 | Wave energy power generation equipment control method and device and wave energy power generation system |
| CN112092992B (en) * | 2020-09-15 | 2022-04-15 | 大连海事大学 | Ship wave energy power generation and stabilization system |
| CN112343779B (en) * | 2020-10-28 | 2022-05-20 | 华中科技大学 | Staggered deceleration strip power generation equipment based on hydraulic drive |
| CN112696389A (en) * | 2020-12-31 | 2021-04-23 | 上海立新液压有限公司 | Cantilever balance control valve group |
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| DE102007056400A1 (en) * | 2007-07-02 | 2009-01-08 | Robert Bosch Gmbh | Transducer and method for converting mechanical energy into electrical energy |
| DE102011111219A1 (en) * | 2011-08-20 | 2013-02-21 | Hydac System Gmbh | Energy conversion device for power plants and method for operating a device of this type |
| CN202645829U (en) * | 2011-12-16 | 2013-01-02 | 上海海洋大学 | A novel floater- and hydraulic transmission-type ocean wave energy generating set |
| CN203022961U (en) * | 2013-01-25 | 2013-06-26 | 浙江海洋学院 | Oscillating float type ocean-energy wave power generation simulation system |
| CN104047798A (en) * | 2013-03-14 | 2014-09-17 | 上海海洋大学 | Wave current turbine type double-acting pressurization power generation device |
| CN103742344B (en) * | 2013-12-23 | 2016-01-27 | 浙江大学 | Based on hydraulicdriven point absorption type wave power generation device |
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