CN106194858B - A kind of wave energy apparatus hydraulic pressure automatic classification Loading Control device - Google Patents
A kind of wave energy apparatus hydraulic pressure automatic classification Loading Control device Download PDFInfo
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- CN106194858B CN106194858B CN201610614272.XA CN201610614272A CN106194858B CN 106194858 B CN106194858 B CN 106194858B CN 201610614272 A CN201610614272 A CN 201610614272A CN 106194858 B CN106194858 B CN 106194858B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/023—Excess flow valves, e.g. for locking cylinders in case of hose burst
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
- F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/255—Flow control functions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/855—Testing of fluid pressure systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of wave energy apparatus hydraulic pressure automatic classification Loading Control device, including measuring mechanism and executing agency, the measuring mechanism includes fuel tank, the first check valve, measurement hydraulic cylinder, the second check valve, main accumulator and flow control valve, and the executing agency includes the first ball valve, hydraulic directional valve, the second ball valve and control hydraulic cylinder.The wave energy apparatus hydraulic pressure automatic classification Loading Control device of the present invention, by inhaling the measurement hydraulic cylinder on ripple floating body installed in wave energy apparatus, the size of automatic measurement wave, and according to the situation of measurement, under the regulation of main accumulator and flow control valve, by controlling hydraulic cylinder to change the working condition of hydraulic directional valve, high-low pressure switching is carried out to the oil circuit of the acting hydraulic cylinder in hydraulic pressure generating system, so that wave energy apparatus can add and subtract hydraulic load automatically according to wave power size, realize the optimal load matching of wave energy and mechanical energy, the capture efficiency of wave energy apparatus is set to reach highest.
Description
Technical field
The present invention relates to wave energy apparatus hydraulic electricity generation control technology, specifically a kind of wave energy apparatus hydraulic pressure automatic classification
Loading Control device, it can realize that wave energy apparatus according to incoming wave watt level, adds and subtracts hydraulic load automatically using the controller.
Background technology
Wave energy generating set is generally divided into three level conversions, and the wherein first order is conversion of the wave energy to mechanical energy, and second
Level is conversion of the mechanical energy to hydraulic energy, and the third level is conversion of the hydraulic energy to electric energy.Hydraulic load refers to that wave energy apparatus is captureed
The wave energy obtained is converted into the reciprocating mechanical energy of hydraulic cylinder in hydraulic pressure generating system, and the size of hydraulic load is hydraulic pressure hair
The number of acting hydraulic cylinder in electric system, when the oil circuit of hydraulic pressure generating system hydraulic cylinder enters high pressure, hydraulic pressure generating system liquid
Cylinder pressure does work, and hydraulic pressure generating system is in stress state；When the oil circuit of hydraulic pressure generating system hydraulic cylinder enters low pressure, hydraulic pressure hair
Electric system hydraulic cylinder does not do work, and hydraulic pressure generating system is in unloaded state.
Wave energy generating set is usually that automatic running is carried out in the case of unattended, the ripple in different time points
Wave-like condition is ever-changing, how to allow size of the wave energy apparatus according to wave power, automatically hydraulic load corresponding to selection, into
Improve the key factor of wave energy apparatus generating efficiency.
The content of the invention
It is an object of the invention to provide a kind of wave energy apparatus hydraulic pressure automatic classification Loading Control device, the controller can
The size of automatic measurement wave, and height is carried out to the oil circuit of the acting hydraulic cylinder in hydraulic pressure generating system according to the situation of measurement
Crush-cutting changes, so that wave energy apparatus adds and subtracts hydraulic load automatically according to wave power size, realizes wave energy and mechanical energy
Optimal load matching, the capture efficiency of wave energy apparatus is reached highest.
To achieve the above object, the technical scheme is that：
A kind of wave energy apparatus hydraulic pressure automatic classification Loading Control device, including measuring mechanism and executing agency, the measurement
Mechanism includes fuel tank, the first check valve, measurement hydraulic cylinder, the second check valve, main accumulator and flow control valve, the execution machine
Structure includes the first ball valve, hydraulic directional valve, the second ball valve and control hydraulic cylinder；The outlet of the fuel tank by the first check valve and
The entrance connection of hydraulic cylinder is measured, the outlet of the measurement hydraulic cylinder is adjusted with main accumulator, flow respectively by the second check valve
Save the entrance of valve, the entrance of the first ball valve and the entrance connection for controlling hydraulic cylinder, the outlet of the flow control valve and fuel tank
Entrance connection, the hydraulic directional valve connects with the outlet of the first ball valve and the entrance of the second ball valve respectively, described second
The outlet of ball valve connects with the entrance of fuel tank；The main accumulator connects with the entrance of control hydraulic cylinder, the control hydraulic cylinder
By controlling the opening and closing of the first ball valve and the second ball valve to be surged to change successively under the regulation of main accumulator and flow control valve
The working condition of reversal valve.Wherein, measure hydraulic cylinder to be arranged on the suction ripple floating body of wave energy apparatus, according to suction ripple floating motion
Amplitude measure the size of wave, flow control valve needs its good the performance curve of pressure-flow of verification in advance, according to its pressure
Power-rating curve, it is determined that the size of measurement hydraulic cylinder and control hydraulic cylinder, control hydraulic cylinder is adjusted in main accumulator and flow
Under the regulation for saving valve, by controlling the opening and closing of the first ball valve and the second ball valve successively, change the working condition of hydraulic directional valve, it is real
The high-low pressure of acting hydraulic cylinder oil circuit automatically switches in existing hydraulic pressure generating system.
Further, the piston rod end of the control hydraulic cylinder is provided with sliding block, and the sliding block both ends are respectively arranged with
First driving lever and the second driving lever, rotatable first handle is provided with first ball valve, is provided with second ball valve
Rotatable second handle, first driving lever stir first handle rotation to control opening for the first ball valve under the drive of sliding block
Close, second driving lever stirs second handle rotation to control the opening and closing of the second ball valve under the drive of sliding block.
Further, the measuring mechanism also includes overflow valve, and the entrance of the overflow valve passes through the second check valve and survey
The outlet of hydraulic cylinder is measured, the outlet of the overflow valve connects with the entrance of fuel tank.By setting overflow valve, make main accumulator
Pressure unconfined will not rise, so as to realize the safeguard protection of whole hydraulic pressure automatic classification Loading Control device.
Further, the executing agency also includes auxiliary accumulator, and the auxiliary accumulator goes out with control hydraulic cylinder
Mouth connection.Resetting-mechanism of the auxiliary accumulator as control hydraulic cylinder, the storage control hydraulic cylinder when controlling hydraulic cylinder acting
Hydraulic oil, when controlling hydraulic cylinder unloading, the hydraulic oil of storage is discharged, resets control hydraulic cylinder.
Further, first guide block, outlet and the second ball valve of first ball valve are provided with the hydraulic directional valve
Entrance connects with the first guide block of hydraulic directional valve respectively.Control unit of the first guide block as hydraulic directional valve, is internally provided with bullet
The resetting-mechanisms such as spring, when there is hydraulic oil injection, hydraulic directional valve is set to be commutated, after hydraulic oil is released, in the work of spring
Firmly hydraulic directional valve is set to automatically reset down.
The wave energy apparatus hydraulic pressure automatic classification Loading Control device of the present invention, by inhaling ripple floating body installed in wave energy apparatus
On measurement hydraulic cylinder, the size of automatic measurement wave, and according to the situation of measurement, in main accumulator and the tune of flow control valve
Under section, control hydraulic cylinder changes the working condition of hydraulic directional valve by controlling the opening and closing of the first ball valve and the second ball valve successively,
High-low pressure switching is carried out to the oil circuit of the acting hydraulic cylinder in hydraulic pressure generating system, so that wave energy apparatus can be according to wave
Watt level adds and subtracts hydraulic load automatically, realizes the optimal load matching of wave energy and mechanical energy, makes the capture of wave energy apparatus
Efficiency reaches highest.
Compared with prior art, its advantage is the present invention：
1st, it is simple in construction, it is easy for installation, only need to be according to the pressure-flow characteristic song of flow control valve when being designed
Line, to design the size of measurement hydraulic cylinder and control hydraulic cylinder, according to schematic diagram connecting line；
2nd, possess oneself independent oil piping system, with the oil circuit of wave energy apparatus hydraulic pressure generating system on pipeline without any
The place of intersection, it is only to have in the first guide block for leading to hydraulic directional valve all the way, so even if the present invention itself breaks down,
The safe operation of whole hydraulic pressure generating system will not be hindered；
3rd, all elements are all Hydraulic Elements, in the environment of ocean high temperature, high humidity, high salt, are not easy corrosion and damage, tool
There is higher reliability；
4th, hydraulic load can be divided into multistage, as long as being classified according to flow, then increasing executing agency can be real
It is existing, it so just can more accurately control the plus-minus of hydraulic load；
5th, temporarily, whole hydraulic loads can be loaded automatically, make wave energy apparatus in full load state in billow
Lower operation, reduce the motion amplitude for inhaling ripple floating body, so as to reduce the collision probability between suction ripple floating body and device matrix, to wave
Energy device is protected；
6th, can not only be used in the hydraulic system of wave energy apparatus, being also applicable in other needs to carry out by flow grade
In the hydraulic system of control, application is wide, has important use value.
Brief description of the drawings
Fig. 1 is wave energy apparatus hydraulic pressure automatic classification Loading Control device system diagram of the present invention；
Fig. 2 is wave energy apparatus hydraulic pressure automatic classification Loading Control device original state figure of the present invention；
Fig. 3 is that wave energy apparatus hydraulic pressure automatic classification Loading Control device of the present invention prepares stress state figure
Fig. 4 is wave energy apparatus hydraulic pressure automatic classification Loading Control device stress state figure of the present invention；
Fig. 5 is wave energy apparatus hydraulic pressure automatic classification Loading Control device overflow guard mode figure of the present invention；
Fig. 6 is that wave energy apparatus hydraulic pressure automatic classification Loading Control device of the present invention starts off-load state diagram；
Fig. 7 wave energy apparatus hydraulic pressure automatic classification Loading Control device off-load completion status figures of the present invention；
Description of reference numerals：1- fuel tanks；The check valves of 2- first；3- measures hydraulic cylinder；The check valves of 4- second；The main accumulation of energys of 5-
Device；6- flow control valves；7- overflow valves；The ball valves of 8- first；9- sliding blocks；The driving levers of 10- first；11- elder generations guide block；12- surges commutation
Valve；The driving levers of 13- second；The ball valves of 14- second；15- controls hydraulic cylinder；16- auxiliary accumulators；A1, b1- first handle；a2、b2-
Second handle.
Embodiment
Present disclosure is described in further details with reference to the accompanying drawings and detailed description.
Embodiment：
As shown in figure 1, a kind of wave energy apparatus hydraulic pressure automatic classification Loading Control device, including measuring mechanism and execution machine
Structure, the measuring mechanism include fuel tank 1, the first check valve 2, measurement hydraulic cylinder 3, the second check valve 4, main accumulator 5 and flow
Regulating valve 6, the executing agency include the first ball valve 8, hydraulic directional valve 12, the second ball valve 14 and control hydraulic cylinder 15；It is described
The outlet of fuel tank 1 is by the first check valve 2 and measures the entrance of hydraulic cylinder 3 and connects, and the outlet for measuring hydraulic cylinder 3 passes through the
Two check valves 4 respectively with main accumulator 5, the entrance of flow control valve 6, the entrance of first ball valve 8 and control hydraulic cylinder 15
Entrance connects, and the outlet of the flow control valve 6 connects with the entrance of fuel tank 1, the hydraulic directional valve 12 respectively with the first ball
The entrance of the outlet of valve 8 and the second ball valve 14 connects, and the outlet of second ball valve 14 connects with the entrance of fuel tank 1.
Wherein, the piston rod end of the control hydraulic cylinder 15 is provided with sliding block 9, and the both ends of sliding block 9 are respectively arranged with
First driving lever 10 and the second driving lever 13, rotatable first handle a1, b1, second ball are provided with first ball valve 8
Rotatable second handle a2, b2 are provided with valve 14, first driving lever 10 stirs first handle under the drive of sliding block 9
A1, b1 are rotated to control the opening and closing of the first ball valve 8, and second driving lever 13 stirs second handle a2, b2 under the drive of sliding block 9
Rotate to control the opening and closing of the second ball valve 14.
Wherein, the measuring mechanism also includes overflow valve 7, and the entrance of the overflow valve 7 passes through the second check valve 4 and measurement
The outlet of hydraulic cylinder 3, the outlet of the overflow valve 7 connect with the entrance of fuel tank 1.By setting overflow valve 7, make main accumulation of energy
The pressure of device 5 unconfined will not rise, so as to realize the safeguard protection to whole hydraulic pressure automatic classification Loading Control device
Wherein, the executing agency also includes auxiliary accumulator 16, the auxiliary accumulator 16 and control hydraulic cylinder 15
Outlet.Resetting-mechanism of the auxiliary accumulator 16 as control hydraulic cylinder 15, the storage control when controlling hydraulic cylinder 15 to do work
The hydraulic oil of hydraulic cylinder 15, when controlling hydraulic cylinder 15 to unload, the hydraulic oil of storage is discharged, resets control hydraulic cylinder 15.
Wherein, first guide block 11, the outlet of first ball valve 8 and the second ball valve 14 are provided with the hydraulic directional valve 12
Entrance connected respectively with the first guide block 11 of hydraulic directional valve 12.The inside of first guide block 11 is provided with spring, is there is hydraulic oil note
It is fashionable, hydraulic directional valve 12 is commutated, after hydraulic oil is released, first guide block 11 makes commutation of surging under the force of a spring
Valve 12 is returned to initial position.
The wave energy apparatus hydraulic pressure automatic classification Loading Control device of the present embodiment, control hydraulic cylinder 15 is horizontally disposed, left side
For rodless cavity, right side is rod chamber, and the entrance connected with main accumulator 5 is arranged on rod chamber, is connected with auxiliary accumulator 16
Outlet be arranged on rodless cavity, the first driving lever 10 is located at the upper end of sliding block 9, and the second driving lever 13 is located at the lower end of sliding block 9, first
The ball valve of ball valve 8 and second be arranged in parallel about 14, and the first ball valve 8 is located at the upper left side of the second ball valve 14.
Wherein, measure hydraulic cylinder 3 be arranged on wave energy apparatus suction ripple floating body on, according to inhale ripple floating motion amplitude come
Measure the size of wave.
Wherein, flow control valve 6 has verified its performance curve of pressure-flow in advance, and according to its pressure-flow characteristic
Curve, it is determined that the size of measurement hydraulic cylinder 3 and control hydraulic cylinder 15, the regulation handle of flow control valve 6 has locking function, when
After the regulation for completing flow control valve 6, its regulation handle can not produce any variation.
Wherein, hydraulic directional valve 12 has oil inlet P, oil-out A and oil-out B, wherein oil inlet P and wave energy apparatus
Hydraulic pressure generating system hydraulic cylinder working connection connects, and oil-out A connects with hydraulic pressure generating system hydraulic cylinder low pressure oil way, oil-out B
Connected with hydraulic pressure generating system hydraulic cylinder high-pressure oil passage.When PA is connected, the hydraulic cylinder of hydraulic pressure generating system does not do work, i.e. hydraulic pressure
Load is closed；When PB is connected, the hydraulic cylinder of hydraulic pressure generating system starts to do work, and carries out energy-storing pressure-stabilizing generating, as wave energy
Device adds hydraulic load.
With reference to Fig. 1 to Fig. 7, to the operation principle of the wave energy apparatus hydraulic pressure automatic classification Loading Control device of the present invention
It is described as follows：
1. under original state, as shown in figure 1, the piston rod of control hydraulic cylinder 15 is in the rightmost side, it is connected to the piston rod right side
The driving lever 10 of sliding block 9 and first and the second driving lever 13 at end are in the right side of the second ball valve 14, now, first handle a1 is vertical,
B1 is tilted, and the first ball valve 8 is closed, and second handle a2 is tilted, b2 is vertical, and the second ball valve 14 is in open mode, this
When hydraulic directional valve 12 first guide block 11 in there is no hydraulic oil, the oil inlet P of hydraulic directional valve 12 connects with oil-out A, hydraulic pressure hair
The hydraulic cylinder of electric system is not done work, and hydraulic load is closed.
2. when there is wave action, as shown in Fig. 2 measurement hydraulic cylinder 3 moves back and forth under wave action, make hydraulic oil
It is drawn into from fuel tank 1 by the first check valve 2 in measurement hydraulic cylinder 3, then passes through the second check valve from the outlet of measurement hydraulic cylinder 3
4 outflows, enter in main accumulator 5, return to fuel tank 1 by flow control valve 6 all the way, enter control hydraulic cylinder all the way all the way
In 15 rod chamber.According to the flow-pressure characteristic curve of flow control valve 6, the corresponding stream of 5 pressure value in main accumulator
The flow value of adjustable valve 6, both form dynamic equilibrium, under this balance, into the flow and Flow-rate adjustment of main accumulator 5
The flow that valve 6 flows out is equal, and now, the control rod chamber pressure of hydraulic cylinder 15 is consistent with main accumulator 5, somewhat increases, and controls liquid
The piston rod of cylinder pressure 15 produces minute movement to the left, but the driving lever 10 of sliding block 9 and first and the second driving lever 13 are still located at the second ball
The right side of valve 14, the oil inlet P of hydraulic directional valve 12 connect with oil-out A, and hydraulic load remains turned-off.
3. when wave power incrementally increases, as shown in figure 3, wave wave height increases, the reciprocating stroke of measurement hydraulic cylinder 3 adds
Greatly, the flow for the hydraulic oil that measurement hydraulic cylinder 3 sucks from fuel tank 1 gradually increases, and the hydraulic oil for entering main accumulator 5 increases,
Due to there is the adjustment effect of flow control valve 6, the pressure value of main accumulator 5 will not infinitely increase, according to the stream of flow control valve 6
Amount-pressure characteristic, main accumulator 5 can rise to a new pressure value, now continue into the flow of main accumulator 5
In the flow that flow control valve 6 flows out, new dynamic equilibrium is formed.In the process, due to the rod chamber of control hydraulic cylinder 15
Connect with main accumulator 5, increase with the pressure of main accumulator 5, the rod chamber pressure of control hydraulic cylinder 15 also progressively increases
Greatly, piston rod continues to be moved to the left, and the hydraulic oil of the control rodless cavity of hydraulic cylinder 15 is squeezed into auxiliary accumulator 16, controls liquid
The piston rod of cylinder pressure 15 band movable slider 9 is moved to the left, and the second driving lever 13 positioned at the lower end of sliding block 9 promotes the second-hand of the second ball valve 14
Handle b2 is to anticlockwise, and when second handle a2 is vertical, the second ball valve 14 is closed, and now, sliding block 9 has not moved into the first ball valve
At 8, the first ball valve 8 is remained turned-off, and at this moment still no hydraulic oil is entered in the first guide block 11 of hydraulic directional valve 12, is surged and is changed
Continue to connect with oil-out A to the oil inlet P of valve 12, hydraulic load continues to close.
4. when wave continues to increase, as shown in figure 4, wave wave height continues to increase, the reciprocating stroke of measurement hydraulic cylinder 3 becomes
Bigger, the flow for the hydraulic oil that measurement hydraulic cylinder 3 sucks from fuel tank 1 continues to increase, and the hydraulic oil for entering main accumulator 5 continues
Increasing, the pressure of main accumulator 5 persistently increases, and the rod chamber pressure of control hydraulic cylinder 15 in communication can also continue to increase, this
When control hydraulic cylinder 15 piston rod continue to be moved to the left, band movable slider 9 continue to be moved to the left, first positioned at the upper end of sliding block 9
Driving lever 10 promotes the first handle a1 of the first ball valve 8, and to anticlockwise, when first handle b1 is vertical, the first ball valve 8 is opened, now
Second ball valve 14 is closed, and hydraulic oil is entered by the first ball valve 8 in the first guide block 11 of hydraulic directional valve 12, hydraulic directional valve 12
Commutation, its oil inlet P connect with oil-out B, add hydraulic load for wave energy apparatus, the hydraulic cylinder of hydraulic pressure generating system starts
Acting, carry out energy-storing pressure-stabilizing generating.
5. when wave is also in lasting increasing, as shown in figure 5, pressure persistently rises in main accumulator 5, when pressure rise to it is excessive
When flowing the safe pressure set by valve 7, overflow valve 7 is opened, and unnecessary hydraulic oil is entered by overflow valve 7 in main accumulator 5
In fuel tank 1, the pressure of main accumulator 5 unconfined will not be increased, so as to realize whole hydraulic pressure automatic classification Loading Control device
Safeguard protection, now the driving lever 10 of sliding block 9 and first and the second driving lever 13 are maintained at the left side of the first ball valve 8, hydraulic directional valve
12 oil inlet Ps continue to connect with oil-out B, and the hydraulic cylinder of hydraulic pressure generating system continues to do work, and carry out energy storage power generation.
6. when wave power tapers into, as shown in fig. 6, the reciprocating stroke of measurement hydraulic cylinder 3 tapers into, enter
The flow of main accumulator 5 diminishes, and causes the pressure of accumulator 5 to be gradually reduced, the control rod chamber of hydraulic cylinder 15 in communication
Pressure also tapers into, and the hydraulic oil in auxiliary accumulator 16 enters the control rodless cavity of hydraulic cylinder 15, causes to control hydraulic cylinder
The pressure of 15 rodless cavities is more than rod chamber, and piston rod starts to move right, and the sliding block 9 connected on the piston rod also moves right,
First driving lever 10 of the upper end of sliding block 9 promotes the first handle b1 of the first ball valve 8 to right rotation, when first handle a1 is vertical, the
One ball valve 8 is closed, and now sliding block 9 is not reached also at the second ball valve 14, and the second ball valve 14 remains off, in first guide block 11
Hydraulic oil can not discharge, and the oil inlet P of hydraulic directional valve 12 continues to connect with oil-out B, the hydraulic cylinder of hydraulic pressure generating system after
Continuous acting, carries out energy-storing pressure-stabilizing generating.
7. when wave continues to diminish, as shown in fig. 7, the pressure of main accumulator 5 can also continue to reduce, control in communication
The rod chamber pressure of hydraulic cylinder 15 also persistently reduces, and the piston rod of control hydraulic cylinder 15 continues to move right, and is connected to piston rod
On sliding block 9 also may proceed to move right, the second driving lever 13 of the lower end of sliding block 9 promotes the second handle a2 of the second ball valve 14 to the right
Rotation, when second handle b2 is vertical, the second ball valve 14 is opened, and the hydraulic oil in first guide block 11 is released back in fuel tank 1, oil circuit
Discharge degree, the first guide block 11 of hydraulic directional valve 12 set back under the action of the spring, and the oil inlet P of hydraulic directional valve 12 is with going out
Hydraulic fluid port A is connected, and hydraulic load is closed, and is stopped doing power, hydraulic pressure automatic classification Loading Control device recovers to original state.
The wave energy apparatus hydraulic pressure automatic classification Loading Control device of the present invention, by inhaling ripple floating body installed in wave energy apparatus
On measurement hydraulic cylinder 3, the size of automatic measurement wave, and according to the situation of measurement, in main accumulator 5 and flow control valve 6
Regulation under, control hydraulic cylinder 15 changes hydraulic directional valve 12 by controlling the opening and closing of the first ball valve 8 and the second ball valve 14 successively
Working condition, in hydraulic pressure generating system acting hydraulic cylinder oil circuit carry out high-low pressure switching so that wave energy apparatus
Hydraulic load can be added and subtracted automatically according to wave power size, realize the optimal load matching of wave energy and mechanical energy, make wave
The capture efficiency of energy device reaches highest.
Above-described embodiment is in the art the purpose is to be to allow simply to illustrate that the technical concepts and features of the present invention
Those of ordinary skill can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent change or modification made according to the essence of present invention, should all covers within the scope of the present invention.
Claims (5)
- A kind of 1. wave energy apparatus hydraulic pressure automatic classification Loading Control device, it is characterised in that including measuring mechanism and executing agency, The measuring mechanism includes fuel tank (1), the first check valve (2), measurement hydraulic cylinder (3), the second check valve (4), main accumulator (5) With flow control valve (6), the executing agency includes the first ball valve (8), hydraulic directional valve (12), the second ball valve (14) and control Hydraulic cylinder (15)；The outlet of the fuel tank (1) is connected by the first check valve (2) with the entrance of measurement hydraulic cylinder (3), the measurement hydraulic pressure The outlet of cylinder (3) by the second check valve (4) respectively with main accumulator (5), the entrance of flow control valve (6), the first ball valve (8) Entrance and control hydraulic cylinder (15) entrance connection, the entrance of the outlet of the flow control valve (6) and fuel tank (1) connects Logical, the hydraulic directional valve (12) connects with the outlet of the first ball valve (8) and the entrance of the second ball valve (14) respectively, and described the The outlet of two ball valves (14) connects with the entrance of fuel tank (1)；The main accumulator (5) connects with the entrance of control hydraulic cylinder (15), and the control hydraulic cylinder (15) is in main accumulator (5) By controlling the opening and closing of the first ball valve (8) and the second ball valve (14) to be surged to change successively under regulation with flow control valve (6) The working condition of reversal valve (12).
- 2. wave energy apparatus hydraulic pressure automatic classification Loading Control device according to claim 1, it is characterised in that the control The piston rod end of hydraulic cylinder (15) is provided with sliding block (9), and sliding block (9) both ends are respectively arranged with the first driving lever (10) and Two driving levers (13), are provided with rotatable first handle (a1, b1) on first ball valve (8), on second ball valve (14) Rotatable second handle (a2, b2) is provided with, first driving lever (10) stirs first handle under the drive of sliding block (9) (a1, b1) is rotated to control the opening and closing of the first ball valve (8), and second driving lever (13) stirs second under the drive of sliding block (9) Handle (a2, b2) is rotated to control the opening and closing of the second ball valve (14).
- 3. wave energy apparatus hydraulic pressure automatic classification Loading Control device according to claim 1 or 2, it is characterised in that described Measuring mechanism also includes overflow valve (7), and the entrance of the overflow valve (7) by the second check valve (4) and measures hydraulic cylinder (3) Outlet, the outlet of the overflow valve (7) connect with the entrance of fuel tank (1).
- 4. wave energy apparatus hydraulic pressure automatic classification Loading Control device according to claim 1, it is characterised in that the execution Mechanism also includes the outlet of auxiliary accumulator (16), the auxiliary accumulator (16) and control hydraulic cylinder (15).
- 5. wave energy apparatus hydraulic pressure automatic classification Loading Control device according to claim 1, it is characterised in that described to surge Be provided with first guide block (11) on reversal valve (12), the outlet of first ball valve (8) and the entrance of the second ball valve (14) respectively with First guide block (11) connection of hydraulic directional valve (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610614272.XA CN106194858B (en) | 2016-07-28 | 2016-07-28 | A kind of wave energy apparatus hydraulic pressure automatic classification Loading Control device |
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| CN201610614272.XA CN106194858B (en) | 2016-07-28 | 2016-07-28 | A kind of wave energy apparatus hydraulic pressure automatic classification Loading Control device |
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| CN106194858A CN106194858A (en) | 2016-12-07 |
| CN106194858B true CN106194858B (en) | 2017-12-12 |
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| CN115095557A (en) * | 2022-06-06 | 2022-09-23 | 中国科学院广州能源研究所 | Indirect type hydraulic load grading control system and method for wave energy device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101012802A (en) * | 2006-12-21 | 2007-08-08 | 中国科学院广州能源研究所 | Hydraulic cylinder down-suspension floater wave energy generating system |
| CN201650574U (en) * | 2010-05-01 | 2010-11-24 | 章煜辉 | Hydraulically-driven floating wave power generator |
| US9222527B2 (en) * | 2010-12-12 | 2015-12-29 | Frank Louis Stromotich | High efficiency infinitely variable fluid power transformer |
| CN102518548B (en) * | 2011-12-19 | 2013-10-16 | 浙江大学宁波理工学院 | Ocean current energy power generation device |
| CN102619792B (en) * | 2012-03-21 | 2014-12-31 | 中国科学院广州能源研究所 | Autonomous hydraulic controller of wave energy conversion device |
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