WO2014139459A1 - Système de production d'énergie éolienne stable - Google Patents

Système de production d'énergie éolienne stable Download PDF

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Publication number
WO2014139459A1
WO2014139459A1 PCT/CN2014/073429 CN2014073429W WO2014139459A1 WO 2014139459 A1 WO2014139459 A1 WO 2014139459A1 CN 2014073429 W CN2014073429 W CN 2014073429W WO 2014139459 A1 WO2014139459 A1 WO 2014139459A1
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WO
WIPO (PCT)
Prior art keywords
energy
pressure
wind
tower
water
Prior art date
Application number
PCT/CN2014/073429
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English (en)
Chinese (zh)
Inventor
周鼎铭
周剑辉
Original Assignee
Zhou Dingming
Zhou Jianhui
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhou Dingming, Zhou Jianhui filed Critical Zhou Dingming
Publication of WO2014139459A1 publication Critical patent/WO2014139459A1/fr

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Classifications

    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1885—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is tied to the rem
    • F03B13/189—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is tied to the rem acting directly on the piston of a pump
    • 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

Definitions

  • the present invention relates to a wind stabilized power generation system that utilizes an unstable power source, such as wave energy, wind energy, etc., to construct a large-scale power plant and is capable of stable power generation.
  • an unstable power source such as wave energy, wind energy, etc.
  • An object of the present invention is to provide a wind power stable power generation system which is structurally sound, can utilize wind power to construct a power station on a large scale, and can stably generate power.
  • the technical solution of the present invention is as follows: It comprises an energy collecting unit, an energy collecting output system, a water turbine generator set; collecting energy of the unstable power source by the energy collecting unit, and converting the energy into a reciprocating linear motion;
  • the energy convergence output system converts the energy of the reciprocating linear motion into liquid energy having a specific pressure, and drives the turbine generator set to generate electricity;
  • the energy collecting unit is connected to the energy gathering output system, the energy gathering output system and the water turbine
  • the generator set is connected;
  • the energy collecting unit comprises a wind energy collecting unit.
  • the wind energy collecting unit comprises a wind blade, a vertical main shaft, a horizontal turntable, a beef leg, a drawbar, a tower, the horizontal turntable is disposed at a top end of the tower, and is disposed coaxially with the vertical main shaft;
  • the turntable rotates, and the shape of the ox leg is like a running column in an inverted industrial plant, which comprises a protruding portion and a vertical rod, the protruding portion is located above the horizontal turntable, and the vertical portion of the ox leg is disposed vertically.
  • a vertical tie rod is connected below the pole portion of the ox leg; two outer slopes of the upper surface of the horizontal turntable are symmetrically arranged with two slopes having a certain width, along the horizontal turntable rotation direction, the ramp
  • the upper surface is a slope surface which is gradually increased from low to high.
  • the two slopes are symmetrically arranged with the horizontal turntable as the center.
  • the length of the ramp corresponds to the number of the center angle of the turntable equal to the circumferential angle of the horizontal turntable.
  • the turbine generator set includes one or more water turbine generators.
  • the invention has the advantages of simple structure, simple control, using fresh water as the medium, circulating operation, maximally protecting the equipment, improving the service life and reliability, and concentrating the energy of the plurality of energy collecting units to generate electricity, which can effectively improve the power of the single unit and concentrate the power generation.
  • Equipment which is conducive to management and maintenance.
  • the wave energy collection unit and the wind energy collection unit can share infrastructure and space resources, improve efficiency and improve safety.
  • the inherent disadvantages of large-volume reciprocating pumps are as follows: cumbersome, low-speed, etc. are not in the system of the present invention.
  • the present invention can also greatly simplify the manufacturing technology of the wind power generation system, and in particular, the change of the power generation form greatly simplifies the conventional wind power generation system.
  • Control technology which has greater adaptability to changes in wind speed, can receive full energy in the range of structural strength of the blades, and because the system of the present invention uses a turbine generator set, the traditional solution can be fundamentally solved. Wind power system low power online Press through the problem.
  • the system of the invention can also be constructed along the coast in the shallow sea area, and can effectively absorb the energy of the wind and the waves, and form a protection against the bank, which can effectively reduce natural disasters.
  • the system of the invention can also be applied to large offshore platforms.
  • Figure 1 is a schematic view showing the planar distribution structure of the present invention.
  • FIG. 2 is a schematic view showing a structure of a horizontal axis double-blade in a wind energy collecting unit.
  • Figure 3 is a plan view of the horizontal turntable.
  • FIG. 4 is a schematic block diagram of an embodiment of an energy convergence output system of the present invention.
  • FIG. 5 is a block diagram showing another embodiment of the energy convergence output system of the present invention.
  • Figure 6 is a schematic view showing the structure of a reciprocating water pump of the present invention.
  • Figure 7 is a schematic view showing the structure of the sea wave energy collecting unit and the reciprocating water pump combination of the present invention.
  • Figure 8 is a schematic view showing the structure of a third embodiment of the energy convergence output system of the present invention.
  • Figure 9 is a schematic view showing the structure of another embodiment of the combination of the ocean wave energy collecting unit and the reciprocating water pump of the present invention.
  • the present invention includes an energy collecting unit, an energy collecting output system, and a water turbine generator set; collecting energy of the unstable power source by the energy collecting unit and converting the energy into a reciprocating linear motion;
  • the energy convergence output system converts the energy of the reciprocating linear motion into liquid energy having a specific pressure, and drives the turbine generator set to generate electricity;
  • the energy collecting unit is connected to the energy gathering output system, and the energy gathering output system Connected to a turbine generator set;
  • the energy harvesting unit includes a wind energy collection unit.
  • the wind energy collecting unit comprises a fan blade 11, a vertical spindle 21, a horizontal turntable 15, a cow leg 16, a drawbar, and a tower 29.
  • the horizontal turntable 15 is disposed at the top end of the tower 29 and coaxial with the vertical spindle 21
  • the cow leg 16 is shaped like a running column in an inverted industrial building, which comprises a protruding portion and a pole, the protruding portion of which is located outside the horizontal turntable 15
  • the upright portion of the ox leg 16 is disposed in the vertically set ox leg rail 24, and the vertical ram is connected to the lower shank portion of the ox leg 16, the horizontal turntable 15 and the passive bevel gear 14
  • the fixed connection is integrated and synchronously rotated; two outer slopes of the upper surface of the horizontal turntable 15 are symmetrically disposed with two ramps 18 having a certain width, along the direction of rotation of the horizontal turntable 15, and the upper surface of the ramp 18
  • the two symmetrical ramps 18 are symmetrically arranged with the horizontal turntable 15 as the center, and the length of the ramp 18 corresponds to the central angle of the turntable equal to the circumferential angle of the horizontal turntable 15
  • the number of settings is equal. For example, when a horizontal turntable is correspondingly set with 4 cow legs, the length of the ramp 18 corresponds to the degree of the horizontal turntable 15 being 90°; when a horizontal turntable is correspondingly set with 6 cow legs, the length of the ramp corresponds to the degree of the horizontal turntable It is 60°.
  • the turbine generator set includes one or more water turbine generators.
  • the horizontal turntable 15 When the vane 11 is in the form of a vertical axis, the horizontal turntable 15 is rotated by the vane 11 directly or via a reduction gear.
  • the blade 11 When the blade 11 is in the form of a horizontal axis, it further comprises an active bevel gear 13 disposed coaxially with the horizontal axis, and a passive bevel gear 14 meshing with the active bevel gear 13; the horizontal turntable 15 is passive
  • the bevel gear 14 is driven to rotate, and the horizontal turntable is disposed below the passive bevel gear 14 and disposed coaxially with the vertical main shaft 21.
  • a roller 19 is provided on the lower surface of the convex portion of the cow leg 16, or a roller 19 is provided on the upper surface of the ramp so that the rolling friction is between the cow leg and the horizontal turntable ramp.
  • the contact surface of the ox leg 16 and the ramp is a slope with the same slope; six cow legs are evenly arranged along the periphery of the horizontal turntable, and the ox leg can slide up and down along the horn slide 24 .
  • a vertical pull rod 17 is connected to the lower portion of the vertical leg portion of the beef leg, and a positioning roller 20 for positioning the vertical pull rod 17 is disposed at the periphery of the vertical pull rod 17, so that the pull rod 17 does not deviate during the up and down movement. And it is advantageous to enhance the rigidity of the pull rod 17 when it falls; the lower end of the pull rod is connected with the piston rod 27 of the reciprocating water pump in the energy convergence output system.
  • the number of ox legs corresponds to the number of reciprocating pumps.
  • the ramp on the horizontal dial can also be placed on the inner edge of the horizontal turntable. At this time, the bullet is placed on the outer edge of the vertical spindle, and the bevel gear that pushes the horizontal turntable is placed on the outer edge of
  • a return spring 31 is provided on the upper portion of the piston rod 27, and a load 22 that can be increased or decreased is connected to the lower end of the piston rod 27.
  • the active bevel gears 13 are two groups, and the same horizontal turntable 15 is driven to rotate.
  • the blades 11 for driving the driving gears are also correspondingly arranged.
  • the blades 11 of the front windward surface are smaller than the blades 11 of the rear windward surface.
  • the diameter of the two sets of blades 11 is opposite in direction of rotation.
  • the active bevel gears 13 can also be arranged in a group, and a corresponding set of blades and horizontal axes are also provided.
  • An organic top casing is disposed above the vertical main shaft 21 above the tower 29, and the two horizontal shafts that drive the movable bevel gear 13 are symmetrically disposed through the vertical main shaft 21 and penetrate the top casing, the top casing and the vertical main shaft 21—bearing the horizontal axis, the top casing can drive the horizontal axis and the blade 11 to rotate around the vertical main axis 21 to change the windward direction;
  • a convex rail is arranged on the inner side of the lower edge of the top cover, and a convex rail is arranged at the top of the tower 29
  • the inner and lower edges of the periphery of the roof casing are further provided with racks, which are arranged over the entire circumference to form a circular gear, and are arranged at the upper end of the tower 29.
  • the gear box of the control box is composed of a servo motor, a reduction gear box and a brake system, and is arranged along the inner wall of the top end of the tower 29, and is symmetrically arranged at the center of the tower for controlling the steering of the roof casing, and
  • the roof housing provides a bearing stress for reverse torque.
  • the wind energy collecting unit of the present invention can be arranged with two or more even number of bull legs, each of which is a group, which is symmetrically arranged centering on the axis of the horizontal turntable 15 and simultaneously raised and lowered to balance the force of the tower; The outer edge of the horizontal turntable 15 is evenly arranged.
  • the reciprocating water pump piston works upwards and compresses the return spring 31 to pull up the load 22 to store energy;
  • the reciprocating water pump is Do work in both directions.
  • the return spring 31 and the load 22 of the former set of reciprocating water pumps pull the piston to work, and the horizontal turntable continues to push A set of ox legs pulls up the piston of the next set of reciprocating pumps to work upwards.
  • the lifting stroke of the ox leg should be greater than or equal to the vertical height of the ramp 18. The lowest point of the slope of the cow's leg is above the horizontal turntable.
  • the return spring 31 has a compression stroke equal to or greater than the maximum working stroke of the piston rod 27.
  • the energy convergence output system comprises a flow distributor 5, a high pressure pipeline, a reciprocating water pump, a low pressure vessel 6, a low pressure return conduit 10, an ordered split conduit 9; and a side or a wall surface of the manifold distributor 5
  • the above high pressure pipe is connected to the outlet pipe of the plurality of reciprocating water pumps through the high pressure pipe; the top of the flow distributor 5 is provided with an overflow port 7, and the low pressure container 6 is disposed outside the overflow port 7;
  • a plurality of ordered split conduits 9 are disposed below the vessel 5, and a turbine generator 28 is mounted on each of the ordered split conduits 9; a turbine generator 28 mounted on each of the ordered split conduits 9
  • the power generation power may be different or the same; the water outlet of the turbine generator 28 is connected to the bottom of the low pressure vessel 6; on the wall surface of the low pressure vessel 6, a low pressure return conduit 10 communicating with the water inlet of the reciprocating water pump is connected.
  • the flow distributor 5 is a flow distributor 5 with a water tower.
  • the water tower has a double-layer structure, the inner layer is a high-pressure water tower, the top of the high-pressure water tower is an overflow port 7, and the outer layer is used as a water tower overflowing from a high-pressure water tower.
  • the overflow passage of the flowing liquid; the pressure formed by the difference between the water tower and the reciprocating water pump is the working pressure of the high pressure pipeline in the system of the present invention; when the high pressure water flow is excessive, the high pressure water tower will overflow and return to the overflow passage through the overflow passage Low pressure vessel 6.
  • the high pressure generated by the structure of this embodiment is stable, and the working pressure of the high pressure pipeline is not adjustable, but the water tower can provide more reaction and operation time for the system to adjust the total power generation.
  • the manifold distributor 5 is a manifold distributor 5 with a pressure relief valve 26 and a high pressure vessel 8, at which time the overflow port 7 is located at the top of the manifold distributor 5 below the pressure relief valve 26.
  • a positioning nipple rail 24 that cooperates with the limiting pressure relief valve 26 and a limiting card for limiting the position thereof are disposed outside the pressure relief valve 26.
  • the structure and working principle of the pressure relief valve 26 are similar to the main exhaust valve of the pressure cooker. When the high pressure of the system of the invention reaches a certain value, the pressure relief valve 26 is pushed up, and the excess flow overflows from the overflow port and relieves pressure.
  • the flow regulating distributor 5 is maintained at a stable pressure value, and the pressure relief valve 26 can be designed to adjust the weight within a certain range, and the working pressure of the high pressure portion of the system of the present invention can be adjusted to some extent, and then the adjustment is achieved.
  • the working resistance of the reciprocating water pump piston and the increase of the working pressure of the whole system help to improve the energy conversion efficiency, and can better adapt to the changes of large waves and winds, but also improve the quality requirements of the system. , the sensitivity is reduced, and the working pressure is reduced, the sensitivity of the system can be improved, and the working conditions of small wind and small waves can be better adapted.
  • the high pressure generated by the structural mode of this embodiment is stable, and the working pressure of the high pressure pipeline can be adjusted.
  • the energy convergence output system uses water or other liquid as a medium for transferring energy and is recycled.
  • the present invention also includes an operational control system that is provided with means for monitoring and adjusting the weight of the load 22 of each energy harvesting unit, the weight of the pressurized relief valve 26, and the total operating power of the turbine generator 28.
  • the operation control system is further provided with means for monitoring the overflow of the manifold distributor 5.
  • the number and total power of the operating turbine generators 28 are determined by monitoring the magnitude and trend of the overflow of the manifold distributor 5.
  • the piston rod 27 of the reciprocating water pump of the present invention operates in a direction perpendicular to the horizontal plane.
  • the confluence distributor 5 functions to concentrate high-pressure liquid in the present invention, and at the same time, neutralizes energy fluctuations of each high-pressure liquid stream, and distributes the confluent high-pressure liquid to a plurality of turbine generator sets.
  • the number and power of the turbine generators 28 are set according to the design scale of the power station, so that it can be easily combined into different total powers, and can cope with extreme peak conditions.
  • the low-pressure vessel 6 is a large semi-open container.
  • the high-pressure liquid is distributed to each turbine generator 28 to release energy, and then concentrated in the low-pressure vessel 6.
  • the bottom of the low-pressure vessel 6 is provided with a filter to prevent impurities from entering the low-pressure reflow.
  • the pipe 10 ensures the cleaning of the circulating water, and the low-pressure vessel 6 is connected to the water inlet of each energy collecting unit via a low-pressure return pipe.
  • Example 2 Example 2:
  • the energy collecting unit of the present invention is an ocean wave energy collecting unit, and the wave energy collecting unit comprises a floating body 1, a steel rope 2, and a pulley block (see the application of the number 201210337835. 7 "floating body rope and rack flywheel group wave power generation” System"), the energy of the waves is converted into the energy of the reciprocating linear lifting motion by the floating body 1, the steel rope 2 and the pulley block.
  • the lower side of the floating body 1 is connected to one end of the steel cord 2, and the steel cord 2 is passed through the pulley block so that the other end of the steel cord 2 is vertically moved up and down.
  • the other end of the steel cord 2 is connected to the upper end of the piston rod 27 of the reciprocating water pump 4.
  • the piston rod 27 of the reciprocating water pump 4 operates in a direction perpendicular to the horizontal plane.
  • Example 3 Example 3:
  • the energy convergence output system comprises a flow distributor 5, a high pressure pipeline, a reciprocating water pump 4, a low pressure vessel, a low pressure return pipeline, and an ordered split pipeline 9
  • One or more high-pressure pipes are arranged on the wall surface of the flow distributor 5, and are connected to the outlet pipes of the plurality of reciprocating water pumps 4 through the high-pressure pipes; as shown in FIG.
  • the flow distributor 5 The side wall is provided with an overflow pipe 32, and the water outlet of the overflow pipe 32 is an overflow port 7, and the overflow port 7 is higher than the communication between the flow distributor 5 and the overflow pipe 32, and the upper part of the flow distributor 5 stores air,
  • the lower storage water a low pressure container 6 is disposed outside the overflow port 7; a plurality of ordered split pipes are disposed under the flow distributor, and a turbine generator 28 is installed on each of the ordered split pipes;
  • the water outlet of the turbine generator 28 is connected to the bottom of the low-pressure vessel; a low-pressure return pipe connected to the water inlet of the reciprocating water pump is connected to the wall surface of the low-pressure vessel;
  • the water inlet of the reciprocating water pump of each energy collecting unit is connected; the other end of the steel rope 2 is connected to the upper end of the piston rod 27 of the reciprocating water pump; the working direction of the piston rod 27 of the reciprocating water pump is perpendicular to the horizontal plane;
  • the energy convergence output system uses water
  • the bus distributor 5 is a bus distributor with a pressure relief valve 26 and a high pressure container.
  • the pressure relief valve 26 is disposed at the overflow port 7, and is disposed outside the pressure relief valve 26.
  • the structure and working principle of the pressure relief valve are similar to the main exhaust valve of the pressure cooker. When the high pressure of the system reaches a certain value, the pressure relief valve is pushed up, the excess flow overflows from the overflow, and the pressure is released, so that the flow is converged.
  • the distributor 5 is maintained at a stable pressure value, and the pressure relief valve can be designed to adjust the weight within a certain range.
  • the working pressure of the high pressure portion of the system of the present invention can be adjusted, and then the reciprocating water pump can be adjusted.
  • the piston's work resistance is increased, and the working pressure of the whole system is increased, which helps to improve the energy conversion efficiency, and can better adapt to the changes of large waves and winds, but also improves the quality requirements of the system and reduces Sensitivity, on the contrary, reduced working pressure, can improve system sensitivity, and better adapt to small wind and small waves.
  • the high pressure generated by the structural mode of this embodiment is stable, and the working pressure of the high pressure pipe can be adjusted.
  • the structure and working principle of the pressure relief valve can also be similar to the pressure control valve of the air compressor.
  • a compressed air inlet duct 33 may be provided in the lower portion of the high pressure vessel of the manifold distributor 5 to supplement the air or to utilize the reciprocating water pump 4 Air pumping.
  • the energy collecting unit of the present invention is an ocean wave energy collecting unit and a wind energy collecting unit. Others are the same as in the first embodiment and the second embodiment. At this time, a structure in which the wave energy collecting unit and the wind energy collecting unit are connected to the same bus distributor 5 may be adopted, or a structure in which the sea wave energy collecting unit and the wind energy collecting unit are each connected to one bus distributor 5 may be adopted.
  • Example 5
  • the pulley block of the present invention mainly serves to guide the steel rope to change the pulling direction of the steel rope 2.
  • the The fixed pulley set includes a first fixed pulley 3-1, a second fixed pulley 3-2, a third fixed pulley 3-3 and a fourth fixed pulley 3-4, and one end of the steel rope 2 is connected to the floating body 1, in order After passing through the first fixed pulley 3-1, the second fixed pulley 3-2, the third fixed pulley 3-3, and the fourth fixed pulley 3-4, the other end thereof is connected to the upper end of the piston rod 27 of the reciprocating water pump 4, The force of the wave to the floating body is converted into a pulling force to the steel cord 2, and the piston rod 27 of the reciprocating water pump 4 is pulled by the steel cord 2 to perform a linear motion up and down.
  • the first fixed pulley 3-1 is disposed under the floating body 1, and the second fixed pulley 3-2 and the third fixed pulley 3-3 are fixedly disposed in front of the tower 29 and located on the upper side of the floating body 1, the fourth fixed pulley 3- 4 is located at the upper end of the tower 29.
  • the steel cord 2 that pulls the floating body 1 extends downwardly around the first fixed pulley 3-1 and extends obliquely upward, and is guided by the second fixed pulley 3-2 and the third fixed pulley 3-3 to make the third fixed
  • the steel cord sections of the pulley 3-3 and the fourth fixed pulley 3-4 extend vertically, and then extend vertically downward around the fourth fixed pulley 3-4 and are connected to the piston rod 27 of the reciprocating water pump 4.
  • the first fixed pulley 3-1 is anchored to the sea bottom by a pulley anchoring frame 24 made of reinforced concrete
  • the fourth fixed pulley 3-4 is a controllable height fixed pulley
  • the fourth fixed pulley 3-4 is mounted on the pulley frame of the tower 29.
  • the guide wheel disposed on the pulley frame cooperates with the vertical rail set up on the upper part of the tower frame, and the lifting wheel set is connected at the top end of the pulley frame, and the lifting hoisting machine for controlling the lifting and lowering of the pulley frame by the lifting wheel set is adjusted by adjusting the height of the pulley frame.
  • the lifting of the fourth fixed pulley 3-4 is controlled to adapt the system of the present invention to changes in tidal height (see Figure 7).
  • the first fixed pulley 3-1 is fixed on the rotating bracket 38 hingedly connected to the tower 29, and the rotating bracket 38 is provided with a fixed pulley lifting control component 39 for controlling the lifting of the first fixed pulley 3-1, by adjusting the first
  • the pulley 3-1 is set to adapt the system of the present invention to changes in tidal height (see Figure 9).
  • the invention should also be provided with a brake system on the outside of the horizontal turntable to cope with the need for emergency stop or maintenance, and also for speed control during extreme winds.
  • the turbine generator set is an ordinary unit that relies on hydraulic power to drive rotary power generation, and is provided with a plurality of single machines of different powers, which can be combined into generator sets of different total powers as needed. Each generator set generates electricity using synchronous technology.
  • the theoretical basis of the operating principle of the system of the present invention is:
  • the dynamic power of the unstable power source is unstable, and the essence is the irregular change of the power of the working power.
  • the working pressure of the high pressure part is maintained at a relatively stable pressure value, the power level changes.
  • timely monitoring of the change of the flow rate can adjust the value of the total power generation to match the actual power from the total power source of each energy harvesting unit, and then achieve the purpose of stable power generation. .
  • each energy collecting unit draws liquid from the low pressure return pipe 10 into the reciprocating water pump 4, pressurizes it by a reciprocating water pump, feeds it into the high pressure pipe, and converges it in the bus distributor 5, and the energy collecting unit can be set. Multiple.
  • the control system determines to turn on the total power of the genset in the turbine power generation unit according to the flow rate and monitors the flow change in the flow distributor 5 through the sensor, and adjusts the total power of the genset to make the pressure relief valve 26 always Working in a state where there is a small amount of water (liquid) overflow, since the pressure relief condition of the pressure relief valve is fixed in the case where the system of the present invention is not actively adjusted, each hydroelectric generator can be adjusted to the synchronous speed regardless of the power level. The power is generated by the synchronous power generation technology. When the weight of the ballast pressure of the pressure relief valve 26 is actively adjusted, the pressure condition of the pressure relief can be changed, and the working pressure of the high pressure pipeline can be changed.
  • each reciprocating water pump 4 The piston resistance of each reciprocating water pump 4 is changed. At this time, the weight of the load 22 of each reciprocating water pump 4 should be adjusted proportionally, and the water pressure of the reciprocating water pump 4 is adjusted to adapt to the wave, the small waves and the wind and the wind. Small changes.
  • a small seawater desalination system should be additionally provided to supplement the running water volume of the system and other needs.
  • the system of the present invention mainly uses fresh water as a medium for transferring energy, and other liquids can also be used as a medium.
  • the high-pressure pipeline is a high-pressure resistant main pipeline and a sub-pipe, and the output port of each reciprocating water pump 4 is connected to the high-pressure main pipeline via a high-pressure sub-pipe, and a check valve and a maintenance gate valve are arranged therebetween, and the high-pressure main pipeline is connected to the confluence distribution.
  • Device 5 A bus distributor 5 is provided with a plurality of energy collecting units and a reciprocating water pump 4, which are disposed in the power plant.
  • the confluence distributor 5 is a transportation hub for high-pressure water flow convergence, stable regulation, and orderly distribution.
  • the plane position of the energy collecting unit is usually centered on the power house and arranged along the coastline, at least two high-pressure main pipes are provided, and two energy collecting units in two different directions are connected to the confluence.
  • the distributor 5, such as the wave energy collecting unit and the wind energy collecting unit respectively corresponding to the respective bus distributors 5, requires at least four high-pressure main pipes, and the high-pressure main pipes can be provided with maintenance gate valves in sections.
  • the pressure relief valve 26 has a fixed weight without active adjustment, thereby fixing its pressure relief condition, and the pressure relief valve 26 is externally provided with a slide rail, and the pressure relief valve can be along the slide rail. Free, steady rise, fall.
  • the limit card is placed at the highest point of the ascending stroke of the boost pressure relief valve at the top of the slide rail to prevent the boost pressure relief valve from falling off.
  • a plurality of connecting passages are arranged under the low-pressure vessel 6 in a one-to-one correspondence with the water outlets of the turbine generators 28, and a high-pressure pipeline vertically passing through is disposed in the middle, and the sink distributor 5 is connected to the upper side, and the pressure relief pressure is connected thereto.
  • At least two channels are connected to the lower part of the front part of the low-pressure vessel 6 to connect the low-pressure main pipes to connect the energy collecting units in two different directions, and the low-pressure main pipe inlet is provided with a filter net.
  • the low-pressure return pipe 10 includes a low-pressure main pipe and a low-pressure branch pipe.
  • One end of the low-pressure main pipe is connected to the low-pressure vessel 6, and the other end is extended along the energy collecting unit, and is disposed in parallel with the high-pressure main pipe, and the water of each energy collecting unit is
  • the passage is connected to the low-pressure main pipeline via a low-pressure sub-pipe with necessary maintenance gate valves and check valves.
  • a plurality of turbine generators 28 should be provided in each power generation system to facilitate combination of different total powers.
  • Each of the turbine generators 28 is separately connected to the manifold distributor 5 and the low pressure vessel 6, and the water inlet of the turbine generator 28 is connected to the manifold distributor 5 via a gate valve, a throttle valve, and the water outlet is connected to the low pressure vessel 6.

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  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne un système de production d'énergie éolienne stable comportant une unité de collecte d'énergie, un système de convergence et de sortie d'énergie, et un groupe électrogène de turbine à eau. L'énergie en provenance d'une source de force motrice instable est collectée par l'unité de collecte d'énergie et convertie en énergie capable d'effectuer un mouvement de va-et-vient linéaire. Le système de convergence et de sortie d'énergie convertit l'énergie de mouvement de va-et-vient linéaire en énergie liquide à une pression spécifique, et entraîne le groupe électrogène de turbine à eau à produire de l'énergie. L'unité de collecte d'énergie est connectée au système de convergence et de sortie d'énergie, et le système de convergence et de sortie d'énergie est connecté au groupe électrogène de turbine à eau. L'unité de collecte d'énergie comporte une unité de collecte d'énergie éolienne. Le système peut considérablement simplifier la technologie de fabrication des systèmes de production d'énergie éolienne, a une plus grande capacité pour répondre aux changements de vitesse du vent, peut pleinement recevoir l'énergie dans les limites de la plage en mesure d'être supportée par la résistance de structure d'une girouette, et étant donné que le système utilise un groupe électrogène de turbine à eau, peut essentiellement résoudre le problème de la période de grâce de basse tension d'un système de production d'énergie éolienne traditionnel sur un réseau électrique.
PCT/CN2014/073429 2013-03-15 2014-03-14 Système de production d'énergie éolienne stable WO2014139459A1 (fr)

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CN103161676B (zh) * 2013-03-15 2015-02-11 周鼎铭 风力稳定发电系统
CN113586319B (zh) * 2021-07-18 2023-09-08 东北石油大学 浮滴式海浪能收集模块及海浪发电装置

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