CN105649874A - Megawatt offshore wind generator redundancy hydraulic system and method based on modularization - Google Patents
Megawatt offshore wind generator redundancy hydraulic system and method based on modularization Download PDFInfo
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- CN105649874A CN105649874A CN201511029656.7A CN201511029656A CN105649874A CN 105649874 A CN105649874 A CN 105649874A CN 201511029656 A CN201511029656 A CN 201511029656A CN 105649874 A CN105649874 A CN 105649874A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000003921 oil Substances 0.000 claims description 99
- 239000000295 fuel oil Substances 0.000 claims description 63
- 239000012530 fluid Substances 0.000 claims description 30
- 239000002828 fuel tank Substances 0.000 claims description 18
- 239000000446 fuel Substances 0.000 claims description 17
- 238000004146 energy storage Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a megawatt offshore wind generator redundancy hydraulic system and method based on modularization. The system comprises a multi-pump oil supply module which supplies oil to a multi-high-speed-shaft braking module and a multi-yaw braking module. The multi-high-speed-shaft braking module is connected with a high-speed shaft brake. The multi-yaw braking module is connected with a yaw brake which performs oil return through a multi-yaw oil return control module. The multi-pump oil supply module comprises a plurality of sets of same oil supply modules. The multi-high-speed-shaft braking module comprises a plurality of sets of same high-speed-shaft braking modules. The multi-yaw braking module comprises a plurality of sets of same yaw braking modules. The multi-yaw oil return control module comprises a plurality of sets of same yaw oil return control modules. By means of the modularized design and redundancy design of the whole hydraulic system, zero-downtime breakthrough of faults, caused by a pump, control elements and the like, of the hydraulic system is achieved, the modules with faults are judged according to the current fault phenomenon, a fault loop is automatically switched, it is guaranteed that the system continues running, and the operation and maintenance cost is greatly reduced.
Description
Technical field
The present invention relates to offshore wind generating hydraulic efficiency system technical field, particularly relate to a kind of MW class offshore wind generating redundant hydraulic system based on modularization and method.
Background technology
At present because offshore wind farm is away from seashore, wind-powered electricity generation machine is under severe maritime environment affects, and consumable accessory lost efficacy and accelerates, machinery and electrical malfunction rate significantly rise, causing the frequency of repair and maintenance to be accelerated, operation and maintenance needs special equipment and transportation means simultaneously, causes maintenance cost huge. Minimizing failure rate and servicing down times become the effective way reducing fortune dimension cost, are also the main requirements of offshore wind turbine reliability, stability Design. The failure rate that current offshore wind farm hydraulic pressure brake system causes is higher, how to reduce the failure rate that hydraulic efficiency system causes and becomes blower fan design of Hydraulic System problem in the urgent need to address.
Summary of the invention
The object of the present invention is exactly to solve the problem; a kind of MW class offshore wind generating redundant hydraulic system based on modularization and method are provided; by the modular design to whole hydraulic efficiency system, Redundancy Design; achieve the breakthrough that the hydraulic system fault zero caused because of pump, controlling elements etc. is shut down; judge to produce the module also automatic switch failure loop of fault according to current phenomenon of the failure; guarantee system continues to run; make the blower fan machine halt trouble caused because of hydraulic system fault decrease more than 80 percent, greatly reduce fortune dimension cost.
In order to realize above-mentioned purpose, the present invention adopts following technical scheme:
Based on the MW class offshore wind generating redundant hydraulic system of modularization, comprise many pumps fuel oil supply unit, described many pumps fuel oil supply unit gives many high speeds axle brake module and many yaw brake module fuel feeding, described many high speeds axle brake module is connected with high speed shaft brake, described many yaw brake module is connected with off-course brake, and described off-course brake is by many driftage oil return control module oil returns;
Described many pumps fuel oil supply unit, many high speeds axle brake module, many yaw brake module and many driftage oil return control modules comprise the identical fuel oil supply unit of many covers, high speed axle brake module, yaw brake module and driftage oil return control module respectively, and every set of modules is worked independently by switching, there is to realize during fault complementary work.
Described many pumps fuel oil supply unit, many high speeds axle brake module, many yaw brake module and many driftage oil return control modules are respectively two pump fuel oil supply unit, two high speed axle brake module, two yaw brake module and two driftage oil return control module.
Described fuel oil supply unit comprises hydro-pump, and described hydraulic pressure delivery side of pump connects the first strainer after connecting the first check valve, and the output terminal of the first strainer connects oil outlet after connecting the 2nd check valve, and oil outlet connects the first energy storage and the first shuttle valve simultaneously; Also fuel tank is connected by the first surplus valve between described first check valve and the first strainer; Described many pumps fuel oil supply unit is by the work of the first multiple fuel oil supply unit of shuttle Vavle switching.
The oil outlet of described many pumps fuel oil supply unit connects the oil-in of described high speed axle brake module, the oil-in of described high speed axle brake module connects the Yi Youkou of the first magnetic valve after connecting damper hole, another oil mouth of first magnetic valve connects the entrance of the 3rd check valve after connecting the 2nd surplus valve, the outlet of the 3rd check valve connects the entrance of first throttle valve and the Yi Youkou of the 2nd magnetic valve simultaneously, the outlet of first throttle valve connects described high speed shaft brake after connecting the 2nd shuttle valve, and another oil mouth of the 2nd magnetic valve directly connects fuel tank; Described many high speeds axle brake module is by the work of the 2nd multiple high speed axle brake module of shuttle Vavle switching.
The oil outlet of described many pumps fuel oil supply unit connects the oil-in of described many yaw brake module, the oil-in of described many yaw brake module connects multiple yaw brake module after connecting the first solenoid operated directional valve, described yaw brake module comprises ball valve, the oil-in of described ball valve connects the outlet of described first solenoid operated directional valve, and the oil outlet of ball valve connects described off-course brake after connecting the 3rd magnetic valve, the 4th check valve and the first speed-regulating valve successively.
The oil return mouth of described off-course brake connects multiple driftage oil return control module after connecting the 2nd solenoid operated directional valve, described driftage oil return control module comprises tow filtrator, the oil outlet of tow filtrator connects the 4th magnetic valve and the 5th magnetic valve simultaneously, described 4th magnetic valve accesses fuel tank after connecting the 3rd surplus valve, and described 5th magnetic valve directly accesses fuel tank.
Adopt described based on the MW class offshore wind generating redundant hydraulic system of modularization and the method for work of method, the hydro-pump of a set of fuel oil supply unit is to system fuel feeding, fluid gives the first energy storage repairing through the first check valve, the first strainer, the 2nd check valve, fluid enters the first shuttle valve through an entrance, thering is provided pressure oil from the outlet of the first shuttle valve to system, system pressure is set up by the first surplus valve;
When system because when said elements breaks down, hydro-pump has a power failure no longer fuel feeding, the hydraulic pump works of another cover fuel oil supply unit is to system fuel feeding, fluid overlaps the first check valve of fuel oil supply unit, the first strainer, the 2nd check valve to the first energy storage repairing through another, fluid enters the first shuttle valve through another entrance, is also that the outlet from the first shuttle valve provides pressure oil to system;
The work of different fuel oil supply unit is realized by the start and stop of hydro-pump and the entrance of the first shuttle valve switching different fuel oil supply unit.
Adopt the method for work of the described MW class offshore wind generating redundant hydraulic system based on modularization, the pressure oil of many pumps fuel oil supply unit supply enters many high speeds axle brake module, when needing high speed axle to brake, first magnetic valve of a set of high speed axle brake module and the 2nd magnetic valve must be established by cable and open, fluid enters an entrance of the 2nd shuttle valve through damper hole, the first magnetic valve, the 2nd surplus valve, the 2nd check valve and first throttle valve, and fluid enters high speed shaft brake by the outlet of the 2nd shuttle valve and realizes high speed axle brake;
When not needing brake, the first magnetic valve and the 2nd magnetic valve dead electricity, pressure off-load;
When system breaks down because of said elements, first magnetic valve of another cover high speed axle brake module and the 2nd magnetic valve must be established by cable and open, fluid enters another entrance of the 2nd shuttle valve through damper hole, the first magnetic valve, the 2nd surplus valve, the 2nd check valve and first throttle valve, and fluid enters high speed shaft brake by the outlet of the 2nd shuttle valve and realizes high speed axle brake;
The work of different high speed axle brake module is realized by the entrance switching the first magnetic valve and the 2nd magnetic valve obtains electric dead electricity and the 2nd shuttle valve.
Adopt the method for work of the described MW class offshore wind generating redundant hydraulic system based on modularization, the pressure oil of many pumps fuel oil supply unit supply enters the first solenoid operated directional valve, during normal operation, fluid enters off-course brake through the ball valve of a set of yaw brake module, the 3rd magnetic valve, the 4th check valve, the first speed-regulating valve; 3rd magnetic valve power-off when needing pressurize, enters oil oil circuit and cuts off;
When system generation said elements fault, the first solenoid operated directional valve obtains electric commutation, and pressure oil enters off-course brake through another cover ball valve of yaw brake module, the 3rd magnetic valve, the 4th check valve, the first speed-regulating valve;
Many yaw brake module realizes the work of many cover yaw brake modules by the switching of the first solenoid operated directional valve.
Adopt the method for work of the described MW class offshore wind generating redundant hydraulic system based on modularization, during normal operation, the oil return of off-course brake enters fuel tank through an outlet of the 2nd solenoid operated directional valve by a set of driftage oil return control module, 4th magnetic valve and the 5th magnetic valve all power-off time, brake pressure is system pressure, it is achieved yaw brake; When the 5th magnetic valve obtains electric, system pressure off-load, it is achieved driftage is untied the mooring rope; When magnetic valve the 4th obtains electric, fluid is through the 4th magnetic valve, the 3rd relief valve pressure regulating, it is achieved yaw damping is braked;
When system generation said elements fault, the oil return of off-course brake enters fuel tank through another outlet of the 2nd solenoid operated directional valve by another cover driftage oil return control module;
Many driftage oil return control modules realize the work of different driftage oil return control module by the commutation of the 2nd solenoid operated directional valve.
The useful effect of the present invention:
(1) the present invention is from offshore wind generating hydraulic safe, reliability design requirement, adopts modular design, Redundancy Design theory, fundamentally greatly reduces blower fan machine stop times and time that hydraulic system fault brings, ensures generated energy;
(2) the present invention fully takes into account offshore wind generating and shuts down cost problem, adopts Redundancy Design theory so that major part hydraulic system fault can in employing loop for subsequent use, maintenance when blower fan runs well;
(3) present invention achieves the function of the automatic fault diagnosis in involved element and loop, process automatically, while ensureing fan operation, reduce the technical difficulty of fortune dimension.
(4) each module adopts Redundancy Design theory, the identical and independent asphalt channel of many covers and controlling elements. And the module also automatic switch failure loop of generation fault can be judged according to current phenomenon of the failure, ensure that system continues operation and then the normal operation of guarantee blower fan.
Accompanying drawing explanation
Fig. 1 is the system architecture sketch of the present embodiment;
Fig. 2 is the overall schematic diagram of hydraulic efficiency system of the present embodiment;
Fig. 3 is two pump fuel oil supply unit schematic diagrams of the present embodiment;
Fig. 4 is two yaw brake module principle figure of the present embodiment;
Fig. 5 is the high speed axle brake module schematic diagram of the present embodiment;
Fig. 6 is two driftage oil return control module schematic diagrams of the present embodiment.
Wherein, the two pump fuel oil supply unit of A, the two high speed axle brake module of B, the two yaw brake module of C, D two driftage oil return control module, 1.1 hydro-pump, 2.1 first check valves, 5.1 first strainers, 6.1 the 2nd check valves, 7.1 first energy storages, 10 first shuttle valves, 11.1 damper holes, 12.1 the first magnetic valve, 13.1 the 2nd magnetic valves, 14.1 the 2nd surplus valves, 15.1 the 3rd check valves, 16.1 first throttle valve, 17 the 2nd shuttle valves, 19 first solenoid operated directional valves, 20.1 ball valves, 21.1 the 3rd magnetic valves, 22.1 the 4th check valves, 23.1 the first speed-regulating valve, 24 the 2nd solenoid operated directional valves, 25.1 tow filtrator, 26.1 the 4th magnetic valves, 27.1 the 5th magnetic valves, 28.1 the 3rd surplus valves.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
Structure and method of work to be all duplexed system further instruction native system in the present embodiment.
As shown in Figure 1-2, based on the MW class offshore wind generating redundant hydraulic system of modularization, comprise two pump fuel oil supply unit A, described couple of pump fuel oil supply unit A gives two high speed axle brake module and two yaw brake module C fuel feeding, described pair of high speed axle brake module is connected with high speed shaft brake, described couple of yaw brake module C is connected with off-course brake, and described off-course brake is by two driftage oil return control module D oil return;
Described couple of pump fuel oil supply unit A, two high speed axle brake module, two yaw brake module C and two driftage oil return control module D comprise the identical fuel oil supply unit of two covers, high speed axle brake module, yaw brake module and driftage oil return control module respectively, and every set of modules is worked independently by switching, there is to realize during fault complementary work.
High speed axle brakes: two pump fuel oil supply unit A fuel feeding gives two high speed axle brake module, realizes the brake of high speed axle through two high speed axle brake module fuel feeding to high speed shaft brake; When not needing brake, two high speed axle brake module oil feeding line disconnects, and magnetic valve commutation off-load, stopper unclamps.
Yaw brake: two pump fuel oil supply unit A fuel feeding gives two yaw brake module C, through two yaw brake module C fuel feeding to off-course brake, off-course brake oil return depends on two driftage oil return control module D by two driftage oil return control module D oil return box, off-course brake brake pressure;
Described couple of pump fuel oil supply unit A for arrange two cover hydro-pumps to system fuel feeding on same tank cover. When the pump fuel oil supply unit used occurs because automatically switching to other a set of pump fuel oil supply unit when motor, pump, shaft coupling, oil absorption filter, surplus valve, energy storage etc. produce fault, it is not necessary to blower fan is shut down.
The described couple of yaw brake module C arranges the loop of two covers control driftage actions and element to control yaw brake oil feeding line start and stop on valve block. When the yaw brake module used occurs because automatically switching to other a set of control loop when magnetic valve, throttling valve, check valve etc. produce fault, it is not necessary to blower fan is shut down.
The described pair of high speed axle brake module is arrange the loop of two covers control high speed axles brakings and element on same valve block to control the start and stop of high speed axle braking. When the high speed axle brake module used occurs because automatically switching to other a set of control loop when magnetic valve, throttling valve, energy storage, reducing valve, check valve etc. produce fault, it is not necessary to blower fan is shut down.
Described two driftage oil return control module D be two covers control yaw brake and pressure are set on same valve block, loop that yaw damping braking and pressure, driftage are untied the mooring rope and element to be to control above-mentioned action and pressure. When the driftage oil return control module used is because automatically switching to other a set of control loop when high pressure filter, Solenoid ball valve 20.1, surplus valve etc. produce fault, it is not necessary to blower fan is shut down.
As shown in Figure 3, fuel oil supply unit comprises hydro-pump 1.1, the output terminal of described hydro-pump 1.1 connects the first strainer 5.1 after connecting the first check valve 2.1, the output terminal of the first strainer 5.1 connects oil outlet after connecting the 2nd check valve 6.1, and oil outlet connects the first energy storage 7.1 and the first shuttle valve 10 simultaneously; Also fuel tank is connected by the first surplus valve between first check valve 2.1 and the first strainer 5.1; Two pump fuel oil supply unit A comprises two cover fuel oil supply units, and two cover fuel oil supply units share a first shuttle valve 10, and two pump fuel oil supply unit A switches the work of two fuel oil supply units by the first shuttle valve 10. A set of fuel oil supply unit is entered by the P1 import of the first shuttle valve 10, and another cover is entered by the P2 import of the first shuttle valve 10, fuel-displaced by the P of the first shuttle valve 10 outlet. First shuttle valve 10 also can use solenoid operated directional valve.
As shown in Figure 4, the oil outlet of two pump fuel oil supply unit A connects the oil-in of described high speed axle brake module, the oil-in of high speed axle brake module connects the Yi Youkou of the first magnetic valve after connecting damper hole 11.1, another oil mouth of first magnetic valve connects the entrance of the 3rd check valve 15.1 after connecting the 2nd surplus valve 14.1, the outlet of the 3rd check valve 15.1 connects the entrance of first throttle valve 16.1 and the Yi Youkou of the 2nd magnetic valve simultaneously, the outlet of first throttle valve 16.1 connects described high speed shaft brake after connecting the 2nd shuttle valve 17, another oil mouth of 2nd magnetic valve directly connects fuel tank, two high speed axle brake module switches the work of multiple high speed axle brake module by the 2nd shuttle valve 17, and two high speed axle brake module has a common oil-in, finally all connects a high speed shaft brake.
As shown in Figure 5, the oil outlet of two pump fuel oil supply unit A connects the oil-in of described couple of yaw brake module C, the oil-in of described couple of yaw brake module C connects two yaw brake modules after connecting the first solenoid operated directional valve 19, described yaw brake module comprises ball valve 20.1, the oil-in of described ball valve 20.1 connects the outlet of described first solenoid operated directional valve 19, and the oil outlet of ball valve 20.1 connects described off-course brake after connecting the 3rd magnetic valve 21.1, the 4th check valve 22.1 and the first speed-regulating valve 23.1 successively.
As shown in Figure 6, the oil return mouth of described off-course brake connects two driftage oil return control modules after connecting the 2nd solenoid operated directional valve 24, described driftage oil return control module comprises tow filtrator 25.1, the oil outlet of tow filtrator 25.1 connects the 4th magnetic valve 26.1 and the 5th magnetic valve 27.1 simultaneously, described 4th magnetic valve 26.1 accesses fuel tank after connecting the 3rd surplus valve 28.1, and described 5th magnetic valve 27.1 directly accesses fuel tank.
Adopt the method for work of the MW class offshore wind generating redundant hydraulic system based on modularization, the hydro-pump of a set of fuel oil supply unit is to system fuel feeding, fluid gives the first energy storage 7.1 repairing through the first check valve 2.1, first strainer 5.1, the 2nd check valve 6.1, fluid enters the first shuttle valve 10 through an entrance, thering is provided pressure oil from the outlet of the first shuttle valve 10 to system, system pressure is set up by the first surplus valve;
When system because when said elements breaks down, hydro-pump 1.1 has a power failure no longer fuel feeding, the hydro-pump 1.1 of another cover fuel oil supply unit works to system fuel feeding, fluid gives the first energy storage 7.1 repairing through the first check valve 2.1, first strainer 5.1, the 2nd check valve 6.1 of another cover fuel oil supply unit, fluid enters the first shuttle valve 10 through another entrance, is also that the outlet from the first shuttle valve 10 provides pressure oil to system;
The work of different fuel oil supply unit is realized by the start and stop of hydro-pump and the entrance of the first shuttle valve 10 switching different fuel oil supply unit.
The pressure oil that two pump fuel oil supply unit A supplies enters two high speed axle brake module, when needing high speed axle to brake, first magnetic valve of a set of high speed axle brake module and the 2nd magnetic valve must be established by cable and open, fluid enters an entrance of the 2nd shuttle valve 17 through damper hole 11.1, first magnetic valve, the 2nd surplus valve 14.1, the 2nd check valve 6.1 and first throttle valve 16.1, and fluid enters high speed shaft brake by the outlet of the 2nd shuttle valve 17 and realizes high speed axle brake;
When not needing brake, the first magnetic valve and the 2nd magnetic valve dead electricity, pressure off-load;
When system breaks down because of said elements, first magnetic valve of another cover high speed axle brake module and the 2nd magnetic valve must be established by cable and open, fluid enters another entrance of the 2nd shuttle valve 17 through damper hole 11.1, first magnetic valve, the 2nd surplus valve 14.1, the 2nd check valve 6.1 and first throttle valve 16.1, and fluid enters high speed shaft brake by the outlet of the 2nd shuttle valve 17 and realizes high speed axle brake;
The work of different high speed axle brake module is realized by the entrance switching the first magnetic valve and the 2nd magnetic valve obtains electric dead electricity and the 2nd shuttle valve 17.
The pressure oil of two pump fuel oil supply unit supply enters the first solenoid operated directional valve 19, and during normal operation, fluid enters off-course brake through the ball valve 20.1 of a set of yaw brake module, the 3rd magnetic valve 21.1, the 4th check valve 22.1, first speed-regulating valve 23.1; 3rd magnetic valve 21.1 power-off when needing pressurize, enters oil oil circuit and cuts off;
When system generation said elements fault, the first solenoid operated directional valve 19 electric commutation, pressure oil enters off-course brake through the ball valve 20.1 of another cover yaw brake module, the 3rd magnetic valve 21.1, the 4th check valve 22.1, first speed-regulating valve 23.1;
Two yaw brake module C realizes the work of two cover yaw brake module by the switching of the first solenoid operated directional valve 19.
During normal operation, the oil return of off-course brake enters fuel tank through an outlet of the 2nd solenoid operated directional valve 24 by a set of driftage oil return control module, 4th magnetic valve 26.1 and the 5th magnetic valve 27.1 all power-off time, brake pressure is system pressure, it is achieved yaw brake; When the 5th magnetic valve 27.1 obtains electric, system pressure off-load, it is achieved driftage is untied the mooring rope; When magnetic valve the 4th obtains electric, fluid is through the 4th magnetic valve 26.1, the 3rd surplus valve 28.1 pressure regulation, it is achieved yaw damping is braked;
When system generation said elements fault, the oil return of off-course brake enters fuel tank through another outlet of the 2nd solenoid operated directional valve 24 by another cover driftage oil return control module;
Two driftage oil return control module D realizes the work of different driftage oil return control module by the commutation of the 2nd solenoid operated directional valve 24.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of the technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. based on the MW class offshore wind generating redundant hydraulic system of modularization, it is characterized in that, comprise many pumps fuel oil supply unit, described many pumps fuel oil supply unit gives many high speeds axle brake module and many yaw brake module fuel feeding, described many high speeds axle brake module is connected with high speed shaft brake, described many yaw brake module is connected with off-course brake, and described off-course brake is by many driftage oil return control module oil returns;
Described many pumps fuel oil supply unit, many high speeds axle brake module, many yaw brake module and many driftage oil return control modules comprise the identical fuel oil supply unit of many covers, high speed axle brake module, yaw brake module and driftage oil return control module respectively, and every set of modules is worked independently by switching, there is to realize during fault complementary work.
2. as claimed in claim 1 based on the MW class offshore wind generating redundant hydraulic system of modularization, it is characterized in that, described many pumps fuel oil supply unit, many high speeds axle brake module, many yaw brake module and many driftage oil return control modules are respectively two pump fuel oil supply unit, two high speed axle brake module, two yaw brake module and two driftage oil return control module.
3. as claimed in claim 1 or 2 based on the MW class offshore wind generating redundant hydraulic system of modularization, it is characterized in that, described fuel oil supply unit comprises hydro-pump, described hydraulic pressure delivery side of pump connects the first strainer after connecting the first check valve, the output terminal of the first strainer connects oil outlet after connecting the 2nd check valve, and oil outlet connects the first energy storage and the first shuttle valve simultaneously; Also fuel tank is connected by the first surplus valve between described first check valve and the first strainer; Described many pumps fuel oil supply unit is by the work of the first multiple fuel oil supply unit of shuttle Vavle switching.
4. as claimed in claim 1 or 2 based on the MW class offshore wind generating redundant hydraulic system of modularization, it is characterized in that, the oil outlet of described many pumps fuel oil supply unit connects the oil-in of described high speed axle brake module, the oil-in of described high speed axle brake module connects the Yi Youkou of the first magnetic valve after connecting damper hole, another oil mouth of first magnetic valve connects the entrance of the 3rd check valve after connecting the 2nd surplus valve, the outlet of the 3rd check valve connects the entrance of first throttle valve and the Yi Youkou of the 2nd magnetic valve simultaneously, the outlet of first throttle valve connects described high speed shaft brake after connecting the 2nd shuttle valve, another oil mouth of 2nd magnetic valve directly connects fuel tank, described many high speeds axle brake module is by the work of the 2nd multiple high speed axle brake module of shuttle Vavle switching.
5. as claimed in claim 1 or 2 based on the MW class offshore wind generating redundant hydraulic system of modularization, it is characterized in that, the oil outlet of described many pumps fuel oil supply unit connects the oil-in of described many yaw brake module, the oil-in of described many yaw brake module connects multiple yaw brake module after connecting the first solenoid operated directional valve, described yaw brake module comprises ball valve, the oil-in of described ball valve connects the outlet of described first solenoid operated directional valve, and the oil outlet of ball valve connects described off-course brake after connecting the 3rd magnetic valve, the 4th check valve and the first speed-regulating valve successively.
6. as claimed in claim 1 or 2 based on the MW class offshore wind generating redundant hydraulic system of modularization, it is characterized in that, the oil return mouth of described off-course brake connects multiple driftage oil return control module after connecting the 2nd solenoid operated directional valve, described driftage oil return control module comprises tow filtrator, the oil outlet of tow filtrator connects the 4th magnetic valve and the 5th magnetic valve simultaneously, described 4th magnetic valve accesses fuel tank after connecting the 3rd surplus valve, and described 5th magnetic valve directly accesses fuel tank.
7. based on the method for work of the MW class offshore wind generating redundant hydraulic system of modularization described in employing claim 3, it is characterized in that, the hydro-pump of a set of fuel oil supply unit is to system fuel feeding, fluid gives the first energy storage repairing through the first check valve, the first strainer, the 2nd check valve, fluid enters the first shuttle valve through an entrance, thering is provided pressure oil from the outlet of the first shuttle valve to system, system pressure is set up by the first surplus valve;
When system because when said elements breaks down, hydro-pump has a power failure no longer fuel feeding, the hydraulic pump works of another cover fuel oil supply unit is to system fuel feeding, fluid overlaps the first check valve of fuel oil supply unit, the first strainer, the 2nd check valve to the first energy storage repairing through another, fluid enters the first shuttle valve through another entrance, is also that the outlet from the first shuttle valve provides pressure oil to system;
The work of different fuel oil supply unit is realized by the start and stop of hydro-pump and the entrance of the first shuttle valve switching different fuel oil supply unit.
8. based on the method for work of the MW class offshore wind generating redundant hydraulic system of modularization described in employing claim 4, it is characterized in that, the pressure oil of many pumps fuel oil supply unit supply enters many high speeds axle brake module, when needing high speed axle to brake, first magnetic valve of a set of high speed axle brake module and the 2nd magnetic valve must be established by cable and open, fluid enters an entrance of the 2nd shuttle valve through damper hole, the first magnetic valve, the 2nd surplus valve, the 2nd check valve and first throttle valve, and fluid enters high speed shaft brake by the outlet of the 2nd shuttle valve and realizes high speed axle brake;
When not needing brake, the first magnetic valve and the 2nd magnetic valve dead electricity, pressure off-load;
When system breaks down because of said elements, first magnetic valve of another cover high speed axle brake module and the 2nd magnetic valve must be established by cable and open, fluid enters another entrance of the 2nd shuttle valve through damper hole, the first magnetic valve, the 2nd surplus valve, the 2nd check valve and first throttle valve, and fluid enters high speed shaft brake by the outlet of the 2nd shuttle valve and realizes high speed axle brake;
The work of different high speed axle brake module is realized by the entrance switching the first magnetic valve and the 2nd magnetic valve obtains electric dead electricity and the 2nd shuttle valve.
9. based on the method for work of the MW class offshore wind generating redundant hydraulic system of modularization described in employing claim 5, it is characterized in that, the pressure oil of many pumps fuel oil supply unit supply enters the first solenoid operated directional valve, during normal operation, fluid enters off-course brake through the ball valve of a set of yaw brake module, the 3rd magnetic valve, the 4th check valve, the first speed-regulating valve; 3rd magnetic valve power-off when needing pressurize, enters oil oil circuit and cuts off;
When system generation said elements fault, the first solenoid operated directional valve obtains electric commutation, and pressure oil enters off-course brake through another cover ball valve of yaw brake module, the 3rd magnetic valve, the 4th check valve, the first speed-regulating valve;
Many yaw brake module realizes the work of many cover yaw brake modules by the switching of the first solenoid operated directional valve.
10. based on the method for work of the MW class offshore wind generating redundant hydraulic system of modularization described in employing claim 6, it is characterized in that, during normal operation, the oil return of off-course brake enters fuel tank through an outlet of the 2nd solenoid operated directional valve by a set of driftage oil return control module, 4th magnetic valve and the 5th magnetic valve all power-off time, brake pressure is system pressure, it is achieved yaw brake; When the 5th magnetic valve obtains electric, system pressure off-load, it is achieved driftage is untied the mooring rope; When magnetic valve the 4th obtains electric, fluid is through the 4th magnetic valve, the 3rd relief valve pressure regulating, it is achieved yaw damping is braked;
When system generation said elements fault, the oil return of off-course brake enters fuel tank through another outlet of the 2nd solenoid operated directional valve by another cover driftage oil return control module;
Many driftage oil return control modules realize the work of different driftage oil return control module by the commutation of the 2nd solenoid operated directional valve.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108216174A (en) * | 2018-03-09 | 2018-06-29 | 吉林大学 | A kind of dual active boost braking system of redundance type |
| CN108895046A (en) * | 2018-08-10 | 2018-11-27 | 克诺尔车辆设备(苏州)有限公司 | A kind of wind-powered electricity generation hydraulic station of modularized design |
| CN113090596A (en) * | 2021-03-15 | 2021-07-09 | 中国科学院工程热物理研究所 | Servomotor system with thermal redundancy backup oil supply and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629546A (en) * | 2009-08-27 | 2010-01-20 | 湘电风能有限公司 | Integration hydraulic brake system of wind generating set |
| US20100014976A1 (en) * | 2008-07-15 | 2010-01-21 | Arel David V | Propeller blade pitch control system |
| US20140369836A1 (en) * | 2013-06-17 | 2014-12-18 | Lockheed Martin Corporation | Turbine with hydraulic variable pitch system |
| CN205297821U (en) * | 2015-12-31 | 2016-06-08 | 北车风电有限公司 | Redundant hydraulic system of megawatt level offshore wind power generation machine based on modularization |
-
2015
- 2015-12-31 CN CN201511029656.7A patent/CN105649874B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100014976A1 (en) * | 2008-07-15 | 2010-01-21 | Arel David V | Propeller blade pitch control system |
| CN101629546A (en) * | 2009-08-27 | 2010-01-20 | 湘电风能有限公司 | Integration hydraulic brake system of wind generating set |
| US20140369836A1 (en) * | 2013-06-17 | 2014-12-18 | Lockheed Martin Corporation | Turbine with hydraulic variable pitch system |
| CN205297821U (en) * | 2015-12-31 | 2016-06-08 | 北车风电有限公司 | Redundant hydraulic system of megawatt level offshore wind power generation machine based on modularization |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108216174A (en) * | 2018-03-09 | 2018-06-29 | 吉林大学 | A kind of dual active boost braking system of redundance type |
| CN108216174B (en) * | 2018-03-09 | 2023-07-28 | 吉林大学 | Redundant dual active supercharging braking system |
| CN108895046A (en) * | 2018-08-10 | 2018-11-27 | 克诺尔车辆设备(苏州)有限公司 | A kind of wind-powered electricity generation hydraulic station of modularized design |
| CN113090596A (en) * | 2021-03-15 | 2021-07-09 | 中国科学院工程热物理研究所 | Servomotor system with thermal redundancy backup oil supply and control method thereof |
| CN113090596B (en) * | 2021-03-15 | 2022-09-16 | 中国科学院工程热物理研究所 | Servomotor system with thermal redundancy backup oil supply and control method thereof |
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Address after: 250022 No. 3666 Century Avenue, Jinan High-tech Zone, Shandong Province Applicant after: Shandong Zhongche Wind Power Co. Ltd. Address before: 250022 Jinan High-tech Industrial Park, 3666 Century Avenue, Jinan High-tech Zone, Shandong Province Applicant before: CNR Wind Power Co., Ltd. |
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