CN112648145B - Supercritical fluid high-power wind driven generator - Google Patents

Abstract

The invention discloses a supercritical fluid high-power wind driven generator, which comprises a vertically arranged wind driven generator tower, wherein a rotary base is rotatably arranged at the top of the wind driven generator tower, a shell is fixedly arranged on the upper end surface of the rotary base, a wind driven generator is rotatably arranged on the outer side of one end of the shell, a supercritical fluid circulating device in transmission connection with the wind driven generator is arranged in the shell, a supercritical fluid motor is fixedly arranged in the shell, a power output end of the supercritical fluid motor is in transmission connection with a generator, and the supercritical fluid motor and the supercritical fluid circulating device are communicated through a fluid pipeline.

Description

Supercritical fluid high-power wind driven generator

Technical Field

The invention relates to a high-power wind driven generator, in particular to a supercritical fluid high-power wind driven generator, and belongs to the technical field of wind driven generators.

Background

At present, common wind driven generators are mainly 2MW wind driven generators, and with the development of situations, wind driven generators with higher power are increasingly popular in the market.

The 2MW wind driven generator has the failure rate of over 20% according to statistics because the speed changer is unreliable, and if a model with higher power is adopted, the failure rate is higher. Therefore, the hydraulic transmission is thought to replace a gear speed change mechanism, but the flow resistance of the hydraulic transmission is large, the power of the hydraulic transmission is difficult to reach thousands of KW according to data introduction, and the power exceeding thousands of KW is difficult to reach, so that no high-power unit exists up to now.

In order to overcome the problems, the direct-drive high-power wind power generation testing machine is also available in various places, the diameter of a rotor of a 10MW wind power generation machine reaches 10 meters surprisingly, the weight of the machine also reaches hundreds of tons, and therefore, the manufacturing difficulty is huge, and the development of a high-power wind power generator is greatly restricted due to the extremely low rotating speed (only about 10 revolutions per minute) and low efficiency.

Disclosure of Invention

The invention aims to provide a supercritical fluid high-power wind driven generator which has high power, high efficiency, simple structure, small volume and light weight, and solves the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a high-power aerogenerator of supercritical fluid, including the vertical aerogenerator tower that sets up, the top of aerogenerator tower is rotated and is installed the swivel mount, the up end fixed mounting of swivel mount has the shell, the outside of shell one end is rotated and is installed the wind energy conversion system, the inside of shell is provided with the supercritical fluid circulating device who is connected with the wind energy conversion system transmission, the inside fixed mounting of shell has the supercritical fluid motor, the power take off end transmission of supercritical fluid motor is connected with the generator, communicate through fluid pipeline between supercritical fluid motor and the supercritical fluid circulating device.

The following is a further optimization of the above technical solution of the present invention:

the shell internal fixed mounting has the fluid tank, and the inside packing of fluid tank has supercritical fluid, and supercritical fluid is the compound body of critical carbon dioxide fluid and graphite, and fluid line connects fluid tank, supercritical fluid circulating device, supercritical fluid motor in series in proper order, installs the switch that is used for controlling fluid line break-make on the fluid line.

Further optimization: the supercritical fluid circulating device comprises a fluid pump fixedly arranged in the shell, the shell is rotatably connected with a wind driven machine shaft, and two ends of the wind driven machine shaft are respectively in transmission connection with the fluid pump and the wind driven machine.

Further optimization: the fluid pump comprises a pump body, a plurality of groups of plunger groups are annularly arranged on the pump body along the axis of the pump body, each plunger group comprises first cylinder sleeves which are respectively and oppositely arranged at the upper end and the lower end of the pump body, first pistons are respectively installed in the first cylinder sleeves, a first connecting rod is respectively connected between two first pistons of each group of plunger groups, and the first cylinder sleeves are respectively communicated with a fluid pipeline through a first fluid inlet and a first fluid outlet.

Further optimization: one end of the pump body is rotatably provided with a power input shaft, a transmission assembly in transmission connection with the first connecting rods of the plunger sets is movably mounted inside the pump body, the power input end of the transmission assembly is in transmission connection with the power input shaft, and the power input shaft drives the transmission assembly and drives the plunger sets to do work through the first connecting rods when rotating.

And (4) further optimizing: the supercritical fluid motor comprises a plurality of motor cylinder bodies which are annularly arranged, the motor cylinder bodies are respectively and fixedly arranged on a motor cylinder cover, motor pistons are respectively arranged inside the motor cylinder bodies, a power output assembly is arranged at one end of each motor piston, and the power output assembly is in transmission connection with a motor power shaft of a generator.

And (4) further optimizing: the motor cylinder cover is provided with a control valve used for distributing flow to the plurality of motor cylinder bodies, the control valve is communicated with the plurality of motor cylinder bodies through a fluid conduit, a motor fluid inlet and outlet of the control valve is communicated with a fluid pipeline, the power output assembly is provided with an inlet and outlet valve control shaft, and the other end of the inlet and outlet valve control shaft is in transmission connection with the control valve.

And (4) further optimizing: the supercritical fluid circulating device comprises a fluid pump fixedly arranged in the shell, the fluid pump comprises a machine body, a cavity for mounting the power transmission assembly is arranged in the machine body, and an eccentric shaft is rotatably arranged in the cavity.

Further optimization: a plurality of second cylinder sleeves are annularly arranged on the inner wall of the cavity, second pistons are respectively slidably arranged in the second cylinder sleeves, one ends of the second pistons are respectively connected with a second connecting rod, and the second cylinder sleeves are respectively communicated with the fluid pipeline through a second fluid inlet and a second fluid outlet.

Further optimization: the supercritical fluid motor comprises a gear motor shell, a rotating assembly used for driving the supercritical fluid to flow is rotatably arranged in the gear motor shell, the gear motor shell is communicated with a fluid pipeline through a gear motor fluid inlet and outlet, and the rotating assembly is in transmission connection with the generator.

By adopting the technical scheme, the supercritical fluid is a mixture of the critical carbon dioxide fluid and graphite, the graphite is a crystalline form of carbon and has hexagonal lattices, atoms are arranged in layers, the distance between carbon atoms on the same crystal plane is 0.142nm, and the carbon atoms are combined with each other by covalent bonds; the distance between layers is 0.34nm, and the atoms are bonded by molecular bonds. The forces between the layers are small and relative sliding between the layers is easy to occur. Because of the structural characteristics, the lubricating oil has low strength and hardness and poor plasticity, but can play a good role in reducing friction, and is a good solid lubricant.

The fluid pump can be driven to work through the rotation of the wind motor shaft, the supercritical fluid can flow into the fluid pump from the fluid box, the continuous work of the fluid pump can apply pressure to the supercritical fluid in the fluid pump, so that the supercritical fluid flows into the supercritical fluid motor to drive the supercritical fluid motor to work, and the supercritical fluid entering the supercritical fluid motor finishes circulation in the supercritical fluid motor and then flows into the fluid box through the fluid pipeline to form a circulation.

The wind motor is driven to rotate by the wind motor, the wind motor shaft can drive the power input shaft to rotate, when the power input shaft rotates, the first movable joint drives the first swing yoke to swing in a three-dimensional mode, the movable joint on the first swing arm drives the first connecting rod and the first piston to reciprocate to extrude the supercritical fluid to work, the two first pistons connected through the first connecting rod are matched with each other, the first piston extrudes and releases the supercritical fluid in the first cylinder sleeve, and the supercritical fluid is conveyed into the supercritical fluid motor through the fluid pipeline.

The supercritical fluid conveyed into the supercritical fluid motor from the fluid pump enters the fluid guide pipe through the motor fluid inlet and outlet and then enters the motor cylinder body from the fluid guide pipe, the wind turbine continuously rotates to enable the supercritical fluid conveyed into the motor cylinder body to be more and more, and the huge pressure drives a plurality of motor pistons to be matched with the motor swing yoke, so that the power shaft of the generator is driven to rotate to generate electricity.

Meanwhile, the swing of the motor swinging yoke drives the control valve to distribute the supercritical fluid, so that the supercritical fluid motor can work in a coordinated manner.

The shaft of the wind motor drives the eccentric shaft to rotate, power is transmitted to the eccentric shaft bearing, the eccentric shaft bearing sequentially drives the second connecting rod to work, and the second connecting rod drives the second piston to reciprocate in the second cylinder sleeve to extrude the supercritical fluid, so that the working requirement is met.

The circulation of the supercritical fluid through the tooth grooves can drive the rotation of the helical gear, so as to drive the rotation of the driven shaft of the gear motor, the driven shaft of the gear motor transmits power to the generator, and the generator generates electricity.

The key body is arranged between the helical gear and the power shaft of the gear motor, so that the helical gear can be more stable in rotation, and reliable power is provided for work.

The supercritical fluid motor and the generator are both arranged in the shell, and in actual work, the supercritical fluid motor, the fluid tank and the fluid pump are communicated through the fluid pipeline, so the supercritical fluid motor and the generator can also be arranged on the ground or other positions, and the situation of insufficient pressure caused by overlong fluid pipeline is not needed to be considered because the properties of the supercritical fluid and the gas are very similar.

The invention is further illustrated with reference to the following figures and examples.

Drawings

FIG. 1 is a schematic view showing the overall structure of example 1 of the present invention;

FIG. 2 is a schematic structural view of an axial plunger type supercritical fluid pump in example 1 of the present invention;

FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 2;

fig. 4 is a structural sectional view of an axial plunger type supercritical fluid motor with a wobble yoke mechanism in embodiment 1 of the invention;

FIG. 5 is a sectional view taken along line B-B of FIG. 4;

FIG. 6 is a schematic diagram showing the structure of a radial plunger type supercritical fluid pump in example 2 of the present invention;

FIG. 7 is a cross-sectional view of a helical gear supercritical fluid motor in accordance with embodiment 3 of the present invention;

fig. 8 is a schematic structural diagram of a helical gear supercritical fluid motor in embodiment 3 of the present invention.

In the figure: 1-a wind turbine; 2-a housing; 3-a fluid line; 4-a fluid pump; 5-a switch; 6-supercritical fluid motor; 7-a generator; 8-a fluid tank; 9-a thermostat; 10-supercritical fluid; 11-transposition; 12-a windmill shaft; 13-a wind turbine tower; 14-a power input shaft; 15-end cap; 16-a first cylinder head; 17-a first piston; 18-a first cylinder liner; 19-a first link; 20-a first bearing; 21-a power shaft housing; 22-a pump body; 23-a first swing yoke rocker; 24-a first swing arm; 25-a first rocking yoke; 26-a first spider; 27-a first rocking yoke seat; 28-first fluid inlet and outlet; 29-sealing ring; 30-a first loose joint; 31-upper end cover of pump body; 32-pump body lower end cover; a 33-side bearing; 34-body; 35-a second piston; 36-a second cylinder head; 37-a second fluid inlet/outlet; 38-a second link; 39-right side cover; 40-left side cover; 41-a fastener; 42-second cylinder liner; 43-a snap ring; 44-eccentric shaft bearing; 45-eccentric shaft; 46-high pressure seal ring; 47-a generator housing; 48-generator power shaft; 49-a generator rotor; 50-a generator stator; 51-a rotor bearing; 52-motor yoke rocker; 53-motor rocking yoke; 54-motor yoke cross joint; 55-motor rocking yoke seat; 56-motor movable joint; 57-inlet and outlet valve control shaft; 58-control valve; 59-motor link; 60-a motor piston; 61-motor fluid inlet and outlet; 62-a fluid conduit; 63-motor cylinder; 64-motor cylinder cover; 65-gear motor housing; 66-gear motor driven shaft; 67-a bevel gear; 68-gear motor fluid inlet and outlet; 69-gear motor power shaft; 70-a bond body; 71-a fluid inlet; 72-gullet; 73-a turning block; 74-a cavity; 75-a sealing ring; 76-oil scraper rings; 77-plunger set.

Detailed Description

Example 1: as shown in fig. 1, a supercritical fluid high-power wind driven generator, including the wind turbine tower 13 of vertical setting, the top of wind turbine tower 13 rotates installs swivel mount 11, swivel mount 11's up end fixed mounting has shell 2, the outside of shell 2 one end is rotated and is installed wind turbine 1, the inside of shell 2 is provided with the supercritical fluid circulating device who is connected with wind turbine 1 transmission, the inside fixed mounting of shell 2 has supercritical fluid motor 6, the power take off end transmission of supercritical fluid motor 6 is connected with generator 7, communicate through fluid pipeline 3 between supercritical fluid motor 6 and the supercritical fluid circulating device.

The supercritical fluid circulation apparatus includes a fluid tank 8 fixedly installed inside the housing 2.

The interior of the fluid tank 8 is filled with a supercritical fluid 10.

The fluid pipeline 3 connects the fluid tank 8, the supercritical fluid circulating device and the supercritical fluid motor 6 in series in sequence.

And a switch 5 for controlling the on-off of the fluid pipeline 3 is arranged on the fluid pipeline 3.

By such design, the supercritical fluid 10 is a supercritical carbon dioxide fluid, and because the supercritical carbon dioxide fluid has a working capacity similar to that of a liquid and a fluidity similar to that of a gas, the supercritical carbon dioxide fluid is a highly ideal working medium.

In addition to this embodiment, the supercritical fluid 10 may also be a mixture of a critical carbon dioxide fluid and graphite, where graphite is a crystalline form of carbon, has a hexagonal lattice, atoms are arranged in a layered manner, and the distance between carbon atoms on the same layer of crystal plane is 0.142nm, and they are combined by covalent bonds; the distance between layers is 0.34nm, and the atoms are bonded by molecular bonds. The forces between the layers are small and relative sliding between the layers is easy to occur. Because of the structural characteristics, the lubricating oil has low strength and hardness and poor plasticity, but can play a good role in reducing friction, and is a good solid lubricant.

A wind turbine shaft 12 is coaxially and fixedly arranged on one side of the wind turbine 1 close to the outer shell 2, and the wind turbine shaft 12 penetrates through the outer wall of the outer shell 2 and extends for a certain distance towards the inside of the outer shell.

The supercritical fluid circulating device comprises a fluid pump 4 fixedly arranged in the shell 2, and two ends of a wind turbine shaft 12 are respectively in transmission connection with the fluid pump 4 and the wind turbine 1.

The fluid pump 4 is communicated with the fluid tank 8 through the fluid pipeline 3, and the supercritical fluid 10 inside the fluid tank 8 can enter the interior of the fluid pump 4 through the fluid pipeline 3.

The fluid pipeline 3 is a one-way pipeline in the supercritical fluid circulating device.

The base body of the fluid pump 4 is filled with gas, so that the pressure of the base body is lower than the pressure of the supercritical fluid, the fluid is smoothly beneficial to the cylinders, and the number of the supercritical fluid pump cylinders can be properly increased or decreased according to the requirement.

The supercritical fluid motor 6 is communicated with the fluid tank 8 through a fluid pipeline 3.

In operation, the wind turbine shaft 12 rotates to drive the fluid pump 4 to operate, the supercritical fluid 10 flows from the fluid tank 8 to the inside of the fluid pump 4, the continuous operation of the fluid pump 4 applies pressure to the supercritical fluid 10 inside the fluid pump 4, so that the supercritical fluid 10 flows to the inside of the supercritical fluid motor 6 to drive the supercritical fluid motor 6 to operate, and the supercritical fluid 10 entering the inside of the supercritical fluid motor 6 completes circulation inside the supercritical fluid motor 6 and then flows to the inside of the fluid tank 8 through the fluid pipeline 3 to form a circulation.

When the device needs to be stopped, the control switch 5 can cut off the circulation of the supercritical fluid 10 in the supercritical fluid circulation device, so that the wind turbine 1 stops rotating, and the supercritical fluid motor 6 stops working.

As shown in fig. 2 to 3, in the present embodiment, the fluid pump 4 is an axial plunger type supercritical fluid pump including a pump body 22 fixedly installed inside the housing 2.

The fluid pump 4 includes a pump body 22, and a plurality of sets of plunger sets 77 are annularly arranged on the pump body 22 along an axis thereof.

The plunger set 77 includes first cylinder sleeves 18 respectively disposed at the upper and lower ends of the pump body 22.

First pistons 17 are respectively installed in the first cylinder sleeves 18, and a first connecting rod 19 is respectively connected between the two first pistons 17 of each group of piston groups 77.

The first cylinder liners 18 are in communication with the fluid conduit 3 via first fluid ports 28, respectively.

The ends of the first cylinder sleeves 18 far away from each other are detachably provided with first cylinder covers 16, and the first cylinder covers 16 are hermetically connected with the pump body 22.

The first cylinder head 16 is provided with a first fluid inlet/outlet 28 for the supercritical fluid 10 to enter and exit.

The inner parts of the first cylinder sleeves 18 are all provided with a first piston 17 capable of reciprocating in a sliding and coaxial mode, and the outer walls of the first pistons 17 are matched with the inner wall of the first cylinder sleeves 18 in shape.

The first connecting rod 19 is arranged coaxially with each first piston 17.

One end of the pump body 22 is rotatably provided with a power input shaft 14 for transmitting power, one end of the power input shaft 14 is in transmission connection with the windmill shaft 12, and the other end of the power input shaft 14 penetrates through the pump body 22 and extends for a certain distance towards the interior thereof.

The power input shaft 14 is provided with a power shaft housing 21 fixedly mounted on the inner wall of the pump body 22 at a position extending to the inside of the pump body 22.

The power shaft shell 21 is rotatably connected with the power input shaft 14 through a first bearing 20, an inner ring of the first bearing 20 is rotatably connected with an outer wall of the power input shaft 14, and an outer ring of the first bearing 20 is slidably connected with an inner wall of the power shaft shell 21.

The power shaft shell 21 is detachably provided with an end cover 15 at one side far away from the transmission assembly, and the end cover 15 is connected with the power shaft shell 21 in a sealing manner.

A sealing ring 29 is arranged between the end cover 15 and the power input shaft 14, the sealing ring 29 is fixedly arranged at the position of the end cover 15 close to the power input shaft 14, and the sealing ring 29 is rotatably connected with the power input shaft 14.

A transmission assembly for transmitting power is arranged in the pump body 22 and close to the middle position of the pump body, and a power output end of the transmission assembly is in transmission connection with the power input shaft 14 through a first movable joint 30.

The transmission assembly comprises a first rocking yoke seat 27 fixedly arranged inside the pump body 22 and coaxial with the power input shaft 14.

A first swing yoke 25 for driving the first piston 17 to work is movably installed between the first swing yoke seat 27 and the power input shaft 14.

The first rocking yoke 25 is connected to the first rocking yoke base 27 through a first cross joint 26.

A first swing arm 24 is fixedly arranged between the first swing yoke 25 and each first connecting rod 19, and the first swing arms 24 are arranged on the first connecting rods 19 at positions close to the middle of the first connecting rods.

The pump body 22 is detachably provided with a pump body upper end cover 31 and a pump body lower end cover 32 which are matched with each other, and the pump body upper end cover 31 and the pump body lower end cover 32 are matched with each other to form a closed space between the inner cavity of the pump body 22 and the first cylinder sleeve 18.

The first cross joint 26 is connected between the first rocking yoke 25 and the first rocking yoke base 27, and allows the first rocking yoke 25 to rock three-dimensionally on the first rocking yoke base 27 with the first rocking yoke base 27 as a fulcrum.

In operation, the wind turbine 1 drives the wind turbine shaft 12 to rotate, the wind turbine shaft 12 can drive the power input shaft 14 to rotate, when the power input shaft 14 rotates, the first movable joint 30 drives the first swing yoke 25 to swing three-dimensionally, the first movable joint 30 on the first swing arm 24 drives the first connecting rod 19 and the first piston 17 to reciprocate to extrude the supercritical fluid 10 to work, the two first pistons 17 connected through the first connecting rod 19 are matched with each other, so that the first piston 17 extrudes and releases the supercritical fluid 10 in the first cylinder sleeve 18, and the supercritical fluid 10 is conveyed into the supercritical fluid motor 6 through the fluid pipeline 3.

As shown in fig. 4-5, the supercritical fluid 10 extruded by the fluid pump 4 enters the supercritical fluid motor 6 through the fluid pipeline 3, and the supercritical fluid motor 6 does work to input power to the generator 7, so that the generator 7 performs power generation operation.

The supercritical fluid motor 6 includes a plurality of motor cylinders 63 arranged in a ring shape.

The plurality of motor cylinders 63 are respectively fixedly mounted on the motor cylinder head 64.

The motor pistons 60 are respectively installed inside the plurality of motor cylinders 63, and a power output assembly is installed at one end of each motor piston 60.

The power output component is in transmission connection with a motor power shaft 48 of the generator 7

The generator 7 comprises a generator shell 47, a generator power shaft 48 is rotatably arranged inside the generator shell 47, and the generator power shaft 48 adopts a T-shaped power shaft.

The outer side of the generator power shaft 48 is annularly sleeved with a generator rotor 49 matched with the generator power shaft 48.

A generator stator 50 is fixedly mounted on the inner wall of the generator housing 47 at a position corresponding to the generator rotor 49.

One end of the generator power shaft 48 is rotatably connected with a rotor bearing 51, and the rotor bearing 51 is fixedly arranged on the generator shell 47.

One end of the generator power shaft 48 close to the rotor bearing 51 is coaxially and fixedly connected with a rotating block 73.

The motor cylinder cover 64 is provided with a control valve 58 for distributing the flow to the plurality of motor cylinders 63, and the control valve 58 and the plurality of motor cylinders 63 are communicated through a fluid conduit 62.

The motor fluid inlet and outlet 61 of the control valve 58 is communicated with the fluid pipeline 3, the power output assembly is provided with an inlet and outlet valve control shaft 57, and the other end of the inlet and outlet valve control shaft 57 is in transmission connection with the control valve 58.

The power take off assembly includes a motor linkage 59 that drives a motor piston 60.

The end of the motor connecting rod 59 remote from the motor piston 60 is provided with a motor yoke 53.

The upper end of the motor swinging yoke 53 is coaxially provided with a motor swinging yoke swinging rod 52, and the motor swinging yoke 53 is eccentrically arranged on the end surface of the rotating block 73 far away from the generator power shaft 48 through the motor swinging yoke swinging rod 52.

The motor link 59 is connected to the motor yoke 53 by a motor union 56.

A motor swing yoke seat 55 is arranged at the middle position of the motor swing yoke 53, the motor swing yoke seat 55 extends downwards for a certain distance, and the motor swing yoke seat 55 is fixedly installed inside a motor cylinder cover 64.

The motor yoke base 55 is rotatably connected to the motor yoke 53 via a motor yoke cross joint 54.

An inlet and outlet valve control shaft 57 made of a steel wire flexible shaft is coaxially arranged in the motor swinging yoke seat 55.

The control valve 58 is conventional and available on the market directly, and will not be described in detail in this embodiment.

In operation, the supercritical fluid 10 delivered from the fluid pump 4 to the supercritical fluid motor 6 enters the fluid conduit 62 through the motor fluid inlet/outlet 61, and then enters the motor cylinder 63 through the fluid conduit 62, the wind turbine 1 continuously rotates to increase the amount of the supercritical fluid 10 delivered to the motor cylinder 63, and the large pressure drives the motor pistons 60 to cooperate with the motor swing yoke 53, so as to drive the generator power shaft 48 to rotate, thereby generating power.

At the same time, the swing of the motor yoke 53 will drive the control valve 58 to distribute the flow of the supercritical fluid 10, so that the supercritical fluid motor 6 will perform a coordinated operation.

Example 2: as shown in fig. 6, this embodiment is an improvement of the supercritical fluid high power wind power generator of embodiment 1, which includes all the technical features of the supercritical fluid high power wind power generator of embodiment 1, and the improvement is in the overall structure of the fluid pump 4.

The fluid pump 4 comprises a body 34 fixedly mounted inside the casing 2, the body 34 being internally provided with a cavity 74 for mounting a power transmission assembly.

A right side cover 39 is fixedly arranged at one end of the machine body 34 close to the wind turbine, and a left side cover 40 is fixedly arranged at the other end of the machine body 34.

The right side cover 39 and the left side cover 40 cooperate to seal a cavity 74 provided in the interior of the body 34 for mounting a power transmission assembly.

An eccentric shaft 45 for transmitting power to the power transmission assembly is arranged in the middle of the right side cover 39, one end of the eccentric shaft 45 penetrates through the right side cover 39 and extends for a certain distance into the cavity 74, and the other end of the eccentric shaft 45 is coaxially and fixedly connected with the wind turbine shaft 12.

And a high-pressure sealing ring 46 for sealing the cavity 74 is arranged at the position of the right side cover 39 corresponding to the eccentric shaft 45, and the high-pressure sealing ring 46 is rotationally connected with the eccentric shaft 45.

The power transmission assembly includes an eccentric shaft bearing 44 fixedly mounted on the eccentric shaft 45 at the location of the cavity 74, the eccentric shaft bearing 44 being eccentrically mounted on the eccentric shaft 45.

A plurality of side bearings 33 for supporting the eccentric shaft bearing 44 to rotate in the cavity 74 are respectively provided between the eccentric shaft bearing 44 and the right and left side covers 39 and 40.

The inner wall of the cavity 74 is annularly provided with a plurality of second cylinder sleeves 42.

The second pistons 35 are respectively installed inside the second cylinder sleeves 42 in a sliding mode, and the shapes of the second pistons 35 are matched with the shapes of the second cylinder sleeves 42.

One end of the second piston 35 is connected to a second connecting rod 38.

The second cylinder cover 36 is detachably mounted at a position of the second cylinder sleeve 42 corresponding to the engine body 34, and the second cylinder cover 36 is used for sealing the second cylinder sleeve 42.

The second cylinder head 36 is opened with a second fluid inlet/outlet 37 for the supercritical fluid 10 to pass through, and the second fluid inlet/outlet 37 is used for controlling the inlet and outlet of the supercritical fluid 10.

A sealing ring 75 for sealing the second cylinder sleeve 42 is fixedly mounted at the joint of the second cylinder cover 36 and the machine body 34.

An oil scraper ring 76 for preventing the supercritical fluid 10 in the second cylinder sleeve 42 from flowing out is annularly sleeved on the second piston 35.

The outer part of the tile end of the second connecting rod 38 is movably sleeved with a snap ring 43, and the snap ring 43 can enable the connecting rod to lean against the outer circle of the eccentric shaft bearing more firmly.

In operation, the eccentric shaft 45 is driven by the windmill shaft 12 to rotate, the power is transmitted to the eccentric shaft bearing 44, the eccentric shaft bearing 44 in turn drives the second connecting rod 38 to operate, and the second connecting rod 38 drives the second piston 35 to reciprocate in the second cylinder sleeve 42 to extrude the supercritical fluid 10, so as to meet the operation requirement.

Example 3: as shown in fig. 7 to 8, this embodiment is an improvement of the supercritical fluid high power wind power generator of embodiment 1, which includes all the technical features of the supercritical fluid high power wind power generator of embodiment 1, and the improvement is in the whole structure of the supercritical fluid motor 6.

The supercritical fluid motor 6 comprises a gear motor shell 65 fixedly installed inside the shell 2, and the gear motor shell 65 is communicated with the fluid tank 8 through the fluid pipeline 3.

The gear motor housing 65 is rotatably provided with a rotating component for driving the supercritical fluid 10 to flow.

A gear motor fluid inlet/outlet 68 for the supercritical fluid 10 to enter and exit is formed on the side wall of the gear motor housing 65, and the gear motor fluid inlet/outlet 68 is communicated with the inner cavity of the gear motor housing 65.

The rotating assembly includes a gear motor power shaft 69 rotatably mounted within the interior cavity of the gear motor housing 65.

A key body 70 is fixedly mounted on the gear motor power shaft 69.

The power shaft 69 of the gear motor is fixedly sleeved with a bevel gear 67.

By adopting the design, the key body 70 is arranged between the bevel gear 67 and the power shaft 69 of the gear motor, so that the bevel gear 67 can be more stable in rotation, and reliable power can be provided for work.

A gear motor driven shaft 66 parallel to the gear motor power shaft 69 is rotatably mounted in the interior cavity of the gear motor housing 65.

The same bevel gear 67 is fixedly sleeved on the gear motor driven shaft 66, and the bevel gear 67 on the gear motor driven shaft 66 is meshed with the bevel gear 67 on the gear motor power shaft 69.

The middle part of the two meshed helical gears 67 is provided with a fluid inlet 71 for the supercritical fluid 10 to pass through.

The teeth grooves 72 are formed between the two mutually engaging helical gears 67.

So designed, the gullets 72 facilitate expansion of the supercritical fluid 10 to improve efficiency.

The gear motor driven shaft 66 is coaxially detachably connected with the power input end of the generator 7.

In operation, the flow of supercritical fluid 10 through tooth spaces 72 drives the rotation of helical gear 67, which in turn drives the rotation of gear motor driven shaft 66, and gear motor driven shaft 66 transmits power to generator 7, and generator 7 performs power generation operation.

In the present invention, the first fluid inlet/outlet 28, the second fluid inlet/outlet 37, the motor fluid inlet/outlet 61, and the gear motor fluid inlet/outlet 68 are all described as one-way passages, and in actual operation, one is necessarily an inlet, and the other is an outlet.

In the invention, the supercritical fluid motor 6 and the generator 7 are both arranged inside the shell 2, and in actual operation, because the supercritical fluid motor 6 is communicated with the fluid tank 8 and the fluid pump 4 through the fluid pipeline 3, the supercritical fluid motor 6 and the generator 7 can also be arranged on the ground or at other positions, and because the properties of the supercritical fluid 10 and the gas are very similar, the situation of insufficient pressure caused by the overlong fluid pipeline 3 does not need to be considered.

It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.

Claims (8)

1. The utility model provides a high-power aerogenerator of supercritical fluid, includes wind turbine tower (13) of vertical setting, and swivel mount (11) are installed in the top rotation of wind turbine tower (13), and the up end fixed mounting of swivel mount (11) has shell (2), and the outside of shell (2) one end is rotated and is installed wind turbine (1), its characterized in that: the supercritical fluid circulating device in transmission connection with the wind turbine (1) is arranged in the shell (2), the supercritical fluid motor (6) is fixedly installed in the shell (2), the power output end of the supercritical fluid motor (6) is in transmission connection with the generator (7), and the supercritical fluid motor (6) is communicated with the supercritical fluid circulating device through the fluid pipeline (3);

a fluid tank (8) is fixedly arranged in the shell (2), and supercritical fluid (10) is filled in the fluid tank (8);

the fluid pipeline (3) is used for sequentially connecting the fluid tank (8), the supercritical fluid circulating device and the supercritical fluid motor (6) in series, and a switch (5) for controlling the on-off of the fluid pipeline (3) is arranged on the fluid pipeline (3);

the wind turbine (1) drives the supercritical fluid circulating device to work, the supercritical fluid circulating device works to pressurize the supercritical fluid (10) and convey the supercritical fluid into the supercritical fluid motor (6) through the fluid pipeline (3), the supercritical fluid (10) drives the supercritical fluid motor (6) to work, the supercritical fluid motor (6) works to drive the generator (7) to generate electricity, the supercritical fluid (10) completed by the internal circulation of the supercritical fluid motor (6) flows back into the fluid tank (8) through the fluid pipeline (3), and a circulation is formed;

the supercritical fluid (10) is a mixture of supercritical carbon dioxide fluid and graphite;

the supercritical fluid circulating device comprises a fluid pump (4) fixedly installed inside a shell (2), a wind driven generator shaft (12) is connected to the shell (2) in a rotating mode, and two ends of the wind driven generator shaft (12) are in transmission connection with the fluid pump (4) and the wind driven generator (1) respectively.

2. The supercritical fluid high power wind power generator according to claim 1, wherein: fluid pump (4) are including the pump body (22), the last edge its axis of pump body (22) is the annular and has laid a plurality of groups plunger group (77), plunger group (77) are including laying first cylinder liner (18) at both ends about the pump body (22) relatively respectively, install first piston (17) in first cylinder liner (18) respectively, be connected with first connecting rod (19) between two first piston (17) of every group plunger group (77) respectively, first cylinder liner (18) are respectively through first fluid import and export (28) and fluid pipeline (3) intercommunication.

3. The supercritical fluid high power wind turbine according to claim 2, wherein: one end of the pump body (22) is rotatably provided with a power input shaft (14), a transmission assembly in transmission connection with the first connecting rods (19) of the plunger sets (77) is movably mounted inside the pump body (22), the power input end of the transmission assembly is in transmission connection with the power input shaft (14), and the power input shaft (14) drives the transmission assembly and drives the plunger sets (77) to do work through the first connecting rods (19) when rotating.

4. The supercritical fluid high power wind turbine according to claim 3, wherein: the supercritical fluid motor (6) comprises a plurality of motor cylinder bodies (63) which are annularly arranged, the motor cylinder bodies (63) are respectively and fixedly installed on a motor cylinder cover (64), motor pistons (60) are respectively installed inside the motor cylinder bodies (63), one end of each motor piston (60) is provided with a power output assembly, and the power output assemblies are in transmission connection with a motor power shaft (48) of the generator (7).

5. The supercritical fluid high power wind turbine according to claim 4, wherein: the motor cylinder cover (64) is provided with a control valve (58) used for distributing flow to the plurality of motor cylinder bodies (63), the control valve (58) is communicated with the plurality of motor cylinder bodies (63) through a fluid conduit (62), a motor fluid inlet/outlet (61) of the control valve (58) is communicated with the fluid pipeline (3), the power output assembly is provided with an inlet/outlet valve control shaft (57), and the other end of the inlet/outlet valve control shaft (57) is in transmission connection with the control valve (58).

6. The supercritical fluid high power wind driven generator according to claim 5, wherein: the supercritical fluid circulating device comprises a fluid pump (4) fixedly installed inside a shell (2), the fluid pump (4) comprises a machine body (34), a cavity (74) used for installing a power transmission assembly is formed inside the machine body (34), and an eccentric shaft (45) is rotatably installed in the cavity (74).

7. The supercritical fluid high power wind driven generator according to claim 6, wherein: be the annular on the inner wall of cavity (74) and seted up a plurality of second cylinder liners (42), the inside difference slidable mounting of second cylinder liner (42) has second piston (35), and the one end of second piston (35) all is connected with second connecting rod (38), and second cylinder liner (42) are respectively through second fluid import and export (37) and fluid pipeline (3) intercommunication.

8. The supercritical fluid high power wind turbine according to claim 7, wherein: the supercritical fluid motor (6) comprises a gear motor shell (65), a rotating assembly used for driving the supercritical fluid (10) to flow is rotatably arranged in the gear motor shell (65), the gear motor shell (65) is communicated with the fluid pipeline (3) through a gear motor fluid inlet and outlet (68), and the rotating assembly is in transmission connection with the generator (7).

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