CN202545110U - Hydraulic automatic variable-pitch wind turbine - Google Patents
Hydraulic automatic variable-pitch wind turbine Download PDFInfo
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- CN202545110U CN202545110U CN201220029877XU CN201220029877U CN202545110U CN 202545110 U CN202545110 U CN 202545110U CN 201220029877X U CN201220029877X U CN 201220029877XU CN 201220029877 U CN201220029877 U CN 201220029877U CN 202545110 U CN202545110 U CN 202545110U
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- oar
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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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Abstract
The utility model discloses a hydraulic automatic variable-pitch wind turbine, which comprises a wind drive system, a plurality of variable-pitch actuating mechanisms, a variable-pitch control valve, a wind collection device and a hydraulic supply device, wherein the plurality of variable-pitch actuating mechanisms are connected with blades in a one-to-one manner and used for actuating the variable-pitch operation of the blades; the variable-pitch control valve is arranged on a tank body, connected with the plurality of variable-pitch actuating mechanisms in the one-to-one manner through an oil way, and used for controlling the variable-pitch direction of the plurality of variable-pitch actuating mechanisms; the wind collection device is fixed on the variable-pitch control valve and driven by wind power to realize the automatic control of the variable-pitch control valve; and the hydraulic supply device is communicated with the variable-pitch control valve and generates a driving force to drive the variable-pitch actuating mechanisms to actuate the variable-pitch operation. According to the hydraulic automatic variable-pitch wind turbine, the automatic variable-pitch of the blades of the wind turbine is realized through wind power by using the driving force generated by the wind turbine when being driven and combining with the wind speed of the place where the wind turbine is positioned.
Description
Technical field
The utility model relates to wind energy conversion system and becomes the oar field, and particularly a kind of hydraulic pressure becomes the oar wind energy conversion system automatically.
Background technique
Large scale wind power machine has the oar of deciding and becomes two kinds on oar, decides oar and is exactly the angle of attack of blade and fix, and wind-force can cause rotating speed too high during greater than certain value; Unit can't proper functioning, becomes the fan blade angle of attack can regulate of oar wind energy conversion system, at wind-force hour; The angle of attack is big, and the transformation efficiency of wind-force is high, when wind-force is big; The angle of attack diminishes, and reduces the transformation efficiency of wind-force, makes blower fan equal ability proper functioning under various wind-force states.
The structure that becomes oar blower fan paddle wheel is to be fixedly mounted on the main shaft at the oar thigh, and propeller hub is provided with at least two vertical with main shaft, as to rotate oar axles, and blade is installed on each oar axle one by one, and blade can rotate around the oar axle, has driven by servomotor oar axle to rotate.In the wind energy conversion system of this structure, the size of wind-force is recorded by the vane speed measurement device, handle through airborne computer, and output order, the control actuating motor rotates, and regulates blade and rotates corresponding angle.Actuating motor is installed in the wheel hub or blade inside, and electricity cable is supplied power to motor through carbon brush on the wind energy conversion system main shaft and slip ring, and it relies on electric power to realize the change oar of blade, and its complex structure need dispose corresponding wind speed detection device if will realize becoming automatically oar.
The model utility content
The utility model purpose provides a kind of power that utilizes wind energy conversion system self running the time to be produced, and combines the size of wind energy conversion system ambient wind velocity of living in simultaneously, realizes the change oar of wind energy conversion system fan blade through wind energy, and the utility model provides a kind of hydraulic pressure to become the oar wind energy conversion system automatically.
Said technological scheme is following: a kind of hydraulic pressure becomes the oar wind energy conversion system automatically, comprising:
The wind-force transmission system comprises fan blade, fan blade axle bed and live axle, and said fan blade is rotatably connected with said fan blade axle bed;
Air compressor comprises casing and cylinder, and said drive shaft section is rotatably connected through said casing and with said casing, and the outlet pipe of said cylinder is connected with the exhaust manifold that is connected with gas storage chamber;
A plurality of change oar actuator connects one to one with said fan blade, is used to carry out the change oar operation of said fan blade,
Said wind energy conversion system also comprises:
Become the oar modulating valve, it is arranged on the said casing, and connects one to one with a plurality of said change oar actuator through oil circuit, is used to control the change oar direction of a plurality of said change oar actuator;
Get wind apparatus, it is fixed on the said change oar modulating valve, and relies on wind-drive to realize the automatic adjusting to said change oar modulating valve;
The hydraulic power device, it is communicated with said change oar modulating valve, and the said change oar of the drive force actuator that passes through to be produced carries out the action of change oar;
When wind speed was big, the said wind apparatus of getting relied on wind-force automatically said change oar modulating valve to be regulated, and the said fan blade rotation of said change oar actuator's dependence driving action force urges makes said fan blade reverse towards the direction of wind sheltering.
Further; Said change oar actuator comprises the oil hydraulic cylinder that is arranged on the said fan blade axle bed and the connecting rod that is hinged with the piston rod of said oil hydraulic cylinder; The end of said connecting rod is fixedly connected with the sharf of said fan blade, and two chambers of said oil hydraulic cylinder are communicated with said change oar modulating valve through oil circuit respectively.
Preferably, effect has two change oar actuators on each said fan blade, and two said change oar actuator symmetries act on the said fan blade, and make said fan blade that rotation in the same way take place.
Further, said change oar modulating valve comprises valve casing and rotary spool, and said rotary spool is arranged in the said valve casing, and the two is tightly connected, moulding one feed pathway and a drainback passage in the said rotary spool;
Said feed pathway is connected with the oil inlet hole that is arranged at said valve casing, said rotary spool rotation and make said feed pathway and take shape in said valve casing on two be one rotate angle the corresponding one by one connections of oil drainage hole;
Said drainback passage is arranged in the said rotary spool and runs through said rotary spool; Said valve casing is provided with four valve casing return ports; Per two valve casing return ports form one group, and the rotation of said rotary spool makes said return flow line be communicated with one group of valve casing return port wherein; After said rotary spool resetted, said return flow line was communicated with said another group valve casing return port; Wherein one group of said valve casing return port is through two chambers one by one corresponding be communicated with of oil circuit with said oil hydraulic cylinder, and another is organized said valve casing return port and is connected with said hydraulic power device through oil circuit;
Saidly get the end that wind apparatus is arranged at said rotary spool, it carries out spinning movement according to the said rotary spool of wind speed size.
Further, described hydraulic power device is arranged in the said casing, and it comprises:
Hydraulic-pressure pump, it is arranged on the said live axle and with said live axle and rotates;
The convex-concave wheel is fixed in the said casing, is used to drive said hydraulic-pressure pump work done;
The oil circuit connector is placed on the said live axle, and forms the rotary dynamic seal connection with said live axle, and the oil circuit of said hydraulic-pressure pump and said oil hydraulic cylinder runs through said live axle, and is connected with said change oar modulating valve through the output of oil circuit connector respectively.
Said oil circuit connector comprises: a housing; With the coaxial setting of said live axle; One end of said housing is connected with a side of said casing, and said housing is provided with four oil pockets, is respectively pressure oil oil pocket, pressure release oil pocket and two oil suction chambers; Sealing each other between each oil pocket; Be provided with four the tunnel in the said live axle with the corresponding asphalt channel that is communicated with of four oil pockets on the said housing, said hydraulic-pressure pump is communicated with pressure oil oil pocket and pressure release oil pocket respectively through asphalt channel, and said oil hydraulic cylinder is communicated with two said oil suction chambers respectively through oil circuit; Two oil drainage holes of said change oar modulating valve are communicated with two said oil suction chambers respectively, and the feed pathway of said change oar modulating valve is communicated with said pressure oil oil pocket, and formed return flow line was connected with said pressure release oil pocket when said rotary spool rotated.
Preferably; The periphery of said live axle is provided with four annular oil grooves; Four said annular oil grooves are respectively with four corresponding connections of said oil pocket; Be respectively equipped with the pipe joint with its connection on said pressure oil oil pocket and the two said oil suction chambers, said change oar modulating valve connects with its pipe joint is corresponding respectively through oil circuit;
Said hydraulic-pressure pump and said oil hydraulic cylinder connect one to one with four said annular oil grooves respectively through oil circuit;
On the said pressure release oil pocket lubricating cup is set, is marked with pressure oil in the said lubricating cup, said return flow line is communicated with said lubricating cup through oil circuit.
Further; The load of wind energy conversion system when reducing gentle breeze; Make it under the gentle breeze environment, also can carry out work and produce pressed gas; A plurality of cylinders are set on the said air compressor, and said exhaust manifold is provided with the exhaust branch pipe that two-way at least is communicated with it altogether, and every road exhaust branch pipe is connected with the outlet pipe on the cylinder that respective numbers is set;
Wherein one road exhaust branch pipe is provided with an one-way exhaust valve;
Be equipped with pressure release modulating valve and one-way exhaust valve on all the other each road exhaust branch pipes;
Wind speed hour is opened with said wind speed corresponding one tunnel said pressure release modulating valve, and the pressure air that each cylinder produced that is connected with said pressure release modulating valve drains into atmosphere outward.
Further; The structure of pressure release modulating valve is described below: said pressure release modulating valve is arranged on the casing of said air compressor; It comprises pressure release valve casing, pressure release rotary spool and gets wind apparatus that said pressure release rotary spool is arranged in the said pressure release valve casing, the two formation rotary seal connection; Inner moulding one air-flow path of said pressure release rotary spool; Said pressure release valve casing is provided with two and is the exhaust port of an angle of rotation and the inlet hole that is connected with said exhaust branch pipe, and when said pressure release rotary spool rotated, the inlet hole of said pressure release valve casing was connected with the one of which in the two said exhaust ports through said air-flow path;
Two said exhaust ports respectively with gas storage chamber and the corresponding one by one connection of ambient atmosphere;
Saidly get the end that wind apparatus is arranged at said pressure release rotary spool, it relies on the keying of the said pressure release modulating valve of wind control.
Wherein be used to control become oar modulating valve and pressure release modulating valve to get the wind apparatus structure following:
It comprises: get windshield plate, comprise that getting the bigger bulk of wind face for one gets windshield plate and one and get the less fritter of wind face and get windshield plate, the two said windshield plates of getting form rotation angles;
Sleeve, one of which end are fixed on said valve casing or the said pressure release valve casing;
Running shaft; It is placed in the said sleeve and with its gap and is connected; One end of said running shaft is fixedly connected with the end of said rotary spool or pressure release rotary spool, and its other end is saidly got windshield plate (be fixedly connected, said running shaft vertically is provided with said live axle with two;
The dish spring, the one of which end is fixedly connected with said sleeve, and its other end acts on wherein said getting on the windshield plate, saidly when being used to realize gentle breeze gets resetting of windshield plate.
The beneficial effect of the technological scheme that the utility model embodiment provides is:
(1) the utility model is provided with hydraulic power device and vane change device; Its power finally be taken under the environment wind energy, the rotation of wind-drive fan blade is arranged at hydraulic-pressure pump in the casing and that be fixedly connected with live axle and rotates together with live axle; The convex-concave wheel is fixed on the inner headed face of casing; Do work in the process of rotating together along with live axle in the end of the piston rod of hydraulic-pressure pump, pressure oil escapes and enter in the oil hydraulic cylinder that becomes oar modulating valve entering change oar actuator, when wind speed increases; The windshield plate of getting that becomes on the oar modulating valve can rotate by the driven rotary spool; And then make the oil circuit that gets in the change oar modulating valve that change take place, make change oar actuator apply active force to fan blade, and then realize wind sheltering towards the direction of wind sheltering; When wind speed hour, the rotary spool that then becomes the oar modulating valve resets, and makes fan blade come back to the direction of facining the wind.Wind energy conversion system does not need consume electric power in the process that becomes the oar wind sheltering, it is simple in structure, and is easy to realize.
(2) the utility model also provides and has made wind energy conversion system under little gentle breeze environment, keep the technological scheme of operation, and the pressed gas demultiplexing that the utility model is discharged a plurality of cylinder wherein one the tunnel normally is disposed to gas storage chamber; All the other each roads connect a pressure release modulating valve respectively, and the wind-force that each road pressure release modulating valve is adapted to has nothing in common with each other, when wind speed arrives certain rank; The pressure release modulating valve on a certain road is opened, and its pressure release acts on the cylinder with its connection, and then makes partial cylinders be in the no load running state; Being about to it drains in the atmosphere outside the extruding gas that exhaust phase produced is direct; The gas delivery of just partial cylinders being discharged is convenient to air compressor like this and under little landscape condition, is realized its normal operation to gas storage chamber, makes full use of little wind and carries out work; When wind-force is big; The pressure release modulating valve get the rotation that windshield plate carries out several angle, the pressure release of pressure release modulating valve is stopped, realize the normal exhaust and the gas storage of all cylinders.
Description of drawings
In order to be illustrated more clearly in the technological scheme among the utility model embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the automatic change oar wind energy conversion system overall structure figure that the utility model embodiment is provided;
Fig. 2 is the change oar principle schematic that the utility model provides;
Fig. 3 is the change oar actuator structural representation that the utility model provides;
Fig. 4 be among Fig. 3 of providing of the utility model B-B to a kind of change oar execution architecture schematic representation;
Fig. 5 is the structural representation that the another kind that provides of the utility model becomes oar actuator;
Fig. 6 be the utility model provide get wind apparatus overall structure schematic representation;
Fig. 7 is that the change oar modulating valve that the utility model provides is in the structural representation under a kind of state;
Fig. 8 is that the change oar modulating valve that the utility model provides is in the structural representation under the another kind of state;
Fig. 9 is the hydraulic power apparatus structure schematic representation that the utility model provides;
Figure 10 is the air compressor structural representation that the utility model provides;
Structural representation when Figure 11 is the pressure release modulating valve pressure release among Figure 10;
Figure 12 is the pressure release modulating valve pressure release pre-structure schematic representation among Figure 10.
Among the figure:
1-wind-force transmission system
11-fan blade, 12-fan blade axle bed, 13-live axle, 131-annular oil groove, 14-fan blade wheel hub, 15-sharf, 16-drive axle bed, 17-limiting stopper;
2-becomes oar actuator
21-oil hydraulic cylinder, 211-piston rod, 22-connecting rod;
3-becomes the oar modulating valve
The 31-valve casing
311-oil inlet hole, 312-oil drainage hole, 313-valve casing return port;
The 32-rotary spool
321-feed pathway, 322-drainback passage
4-hydraulic power device, 41-hydraulic-pressure pump, 411-piston rod, 412-limit body, 42-convex-concave wheel, 43-Returnning spring;
43-oil circuit connector, 431-housing, 4311-pressure oil oil pocket, 4312-pressure release oil pocket, 4313-oil suction chamber, 4314-oil suction chamber
5-gets wind apparatus
51-gets windshield plate, and the 511-bulk is got windshield plate, the 512-fritter is got windshield plate, 513-limiting board;
The 52-sleeve, 53-running shaft, 54-dish spring;
The 6-air compressor, 61-cylinder, 62-outlet pipe, 63-exhaust branch pipe, 64-exhaust manifold, 65-casing;
7-pressure release modulating valve, 71-pressure release valve casing, 711-exhaust port, 712-inlet hole, 72-pressure release rotary spool, 721-air-flow path;
The 8-Decompression valves, 9-one-way exhaust valve 10-lubricating cup, 20-relief valve, 30-gas storage chamber.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model mode of execution is done to describe in detail further below.
As depicted in figs. 1 and 2, the utility model provides a kind of air compression hydraulic pressure to become the oar wind energy conversion system automatically, comprising: wind-force transmission system 1, air compressor 6, a plurality of change oar actuator 2 and become oar modulating valve 3, hydraulic power device 4 and get wind apparatus 5 etc.
Wind-force transmission system 1 wherein comprises fan blade 11, fan blade axle bed 12, live axle 13, fan blade wheel hub 14, blade shaft 15 and drives axle bed 16 etc.; Air compressor 6 comprises casing 65 and cylinder 61; Said live axle 13 parts are rotatably connected through said casing 65 and with said casing 65, and the outlet pipe 62 of said cylinder 61 is connected with the exhaust manifold that is connected with gas storage chamber 30 64;
The sharf 15 of said fan blade 11 1 ends circumferentially is uniformly distributed with setting along said fan blade wheel hub 14; A plurality of fan blade axle beds 12 are set on the fan blade wheel hub 14; Sharf 15 is threaded with fan blade axle bed 12; Said fan blade wheel hub 14 is placed on also tightening in said live axle 13 ends, and said live axle 13 is arranged in the said driving axle bed 14 and with its rotatable being connected.
A plurality of change oar actuator 2 connects one to one with said fan blade 11, is used to carry out the change oar operation of said fan blade 11,
Become oar modulating valve 3, it is arranged on the casing 65, and connects one to one with a plurality of said change oar actuator 2 through oil circuit, is used to control the change oar direction of a plurality of said change oar actuator 2;
Get wind apparatus 5, it is fixed on the said change oar modulating valve 3, and relies on wind-drive to realize the automatic adjusting to said change oar modulating valve 3;
Hydraulic power device 4, it is communicated with said change oar modulating valve 3, and the said change oar of the drive force actuator 2 that passes through to be produced carries out the action of change oar;
When wind speed was big, the said wind apparatus 5 of getting relied on wind-force automatically said change oar modulating valve 3 to be regulated, and said fan blade 11 rotations of said change oar actuator's 2 dependence driving action force urges make said fan blade 11 reverse towards the direction of wind sheltering.
Like Fig. 3-shown in Figure 5; Said change oar actuator 2 comprises the oil hydraulic cylinder 21 that is arranged on the said fan blade axle bed 12 and the connecting rod 22 that is hinged with the piston rod 211 of said oil hydraulic cylinder 21; The end of said connecting rod 22 is fixedly connected with the sharf 15 of said fan blade 11; Two chambers of said oil hydraulic cylinder 21 are communicated with said change oar modulating valve 3 through oil circuit respectively; Fig. 4 is controlling an oil hydraulic cylinder through a change oar actuator, also is being provided with the limiting stopper 17 that is used to limit said connecting rod 22 angle of swing in addition.
Fig. 5 is that effect has said change oar actuator of two change oar actuators 2, two 2 symmetries to act on the said fan blade 11 on each said fan blade 11, makes said fan blade 11 that rotation in the same way takes place when becoming oar.
The structural drawing that becomes oar modulating valve 3 has been shown among Fig. 7 and Fig. 8.
Said change oar modulating valve 3 comprises valve casing 31 and rotary spool 32, and rotary spool 32 is arranged in the said valve casing 31, and the two forms rotary seal and connects moulding one feed pathway 321 and a drainback passage 322 in the said rotary spool 32; Said feed pathway 321 is connected with the oil inlet hole 311 that is arranged at said valve casing 31, and said rotary spool 32 rotations also make said feed pathway 321 with two corresponding one by one connections of oil drainage hole 312 that are a rotation angle that take shape on the said valve casing 31.The preferred 90 ° of settings of the angle of two oil drainage holes 312 here also can be provided with other angle, and this angle is consistent in the angle of swing of getting wind apparatus.
Said drainback passage 322 is arranged in the said rotary spool 32 and runs through said rotary spool 32; Said valve casing 31 is provided with four valve casing return ports 313; Per two valve casing return ports form one group, and 32 rotations of said rotary spool make said return flow line 322 be communicated with one group of valve casing return port 313 wherein; After said rotary spool 32 resetted, said return flow line 322 was communicated with said another group valve casing return port 313; Wherein one group of said valve casing return port 313 is through two chambers one by one corresponding be communicated with of oil circuit with said oil hydraulic cylinder 21, and another is organized said valve casing return port 313 and is connected with said hydraulic power device 4 through oil circuit; The preferred an angle of 90 degrees of angle of being separated by of two groups of valve casing return ports 313 here, this angle is consistent in the angle of swing of getting wind apparatus.
Saidly get the end that wind apparatus 5 is arranged at said rotary spool, it carries out spinning movements according to the said rotary spool 32 of wind speed size.
Illustrated the structural drawing of hydraulic power device among Fig. 2, described hydraulic power device 4 is arranged in the said casing 65, and it comprises:
Hydraulic-pressure pump 41, it is arranged on the said live axle 13 and with said live axle 13 and rotates;
Convex-concave wheel 42 is fixed in the said casing 65, is used to drive said hydraulic-pressure pump 41 works done.As shown in Figure 8; The cylinder body of hydraulic-pressure pump 41 is fixed on the said live axle 13; Convex-concave wheel 42 is fixed on the inner headed face of said casing 65; The end of the piston rod 411 of said hydraulic-pressure pump 41 acts on the said convex-concave wheel 42, and the end of said piston rod 411 is provided with a limit body 412, is provided with a Returnning spring 43 between the cylinder body of said limit body 412 with said hydraulic-pressure pump 41;
Oil circuit connector 43; Be placed on the said live axle 13; And with said live axle 13 formation rotary dynamic seals connections, the oil circuit of said hydraulic-pressure pump 41 and said oil hydraulic cylinder 21 runs through said live axle 13, and is connected with said change oar modulating valve 3 through 43 outputs of oil circuit connector respectively.
Said oil circuit connector 43 wherein comprises: a housing 431; With said live axle 13 coaxial settings; One end of said housing 431 is connected with a side of said casing 65, and said housing 431 is provided with four oil pockets, is respectively pressure oil oil pocket 4311, pressure release oil pocket 4312 and two oil suction chambers 4313,4314; Sealing each other between each oil pocket; Be provided with four the tunnel in the said live axle 13 with the corresponding asphalt channel that is communicated with of four oil pockets on the said housing 431, said hydraulic-pressure pump 41 is communicated with pressure oil oil pocket 4311 and pressure release oil pocket 4312 respectively through asphalt channel, and said oil hydraulic cylinder 21 is communicated with two said oil suction chambers 4313,4314 respectively through oil circuit; Two oil drainage holes of said change oar modulating valve 3 are communicated with two said oil suction chambers 4313,4314 respectively; The feed pathway 321 of said change oar modulating valve 3 is communicated with said pressure oil oil pocket 4311, and formed return flow line 322 was connected with said pressure release oil pocket 4312 when said rotary spool 32 rotated.
Preferably; On the periphery of said live axle 13, be provided with four annular oil grooves 131; Four said annular oil grooves 131 are respectively with four corresponding connections of said oil pocket; Be respectively equipped with the pipe joint with its connection on said pressure oil oil pocket 4311 and the two said oil suction chambers 4313,4314, said change oar modulating valve 3 connects with pipe joint is corresponding respectively through oil circuit.
Said hydraulic-pressure pump 41 and said oil hydraulic cylinder 21 connect one to one with four said annular oil grooves 131 respectively through oil circuit; Pressure oil in pressure oil that hydraulic-pressure pump produced and entering or the released liquor cylinder pressure 21 at first gets into and is arranged in the annular oil groove; And the entering oil pocket, be communicated with becoming the oar modulating valve through oil connection or other link then.The change oar is here regulated and is positioned on the casing, also can prevent terminating in bent wind other position preferably.
One lubricating cup 10 is set on said pressure release oil pocket 4312 in addition, is marked with pressure oil in the said lubricating cup 10, said return flow line 322 is communicated with said lubricating cup 10 through oil circuit, and the lubricating cup here is used to become the oar modulating valve and constitutes the backflow oil circuit, and oil sources is provided for hydraulic-pressure pump.
The too high situation of oil circuit pipeline oil pressure appears in running; On the oil circuit of said change oar modulating valve 3 with two said oil suction chambers 4313,4314 connections a relief valve 20 is set respectively; Said relief valve 20 is connected with said pressure release oil pocket 4312 through oil circuit, and said relief valve 20 is connected with said pressure release oil pocket 4312 through oil circuit.
In addition; The utility model has also increased the technological scheme a when wind energy conversion system moves under the gentle breeze environment; The load of wind energy conversion system when reducing gentle breeze makes it under the gentle breeze environment, also can carry out work and produces pressed gas, and the technological scheme that on above basis, is increased is following:
A plurality of cylinders 61 are set on the said air compressor 6, and shown in figure 10, said exhaust manifold 64 is provided with the exhaust branch pipe 63 that two-way at least is communicated with it altogether, and every road exhaust branch pipe 63 is connected with the outlet pipe 62 on the cylinder 61 that respective numbers is set;
Wherein only be provided with an one-way exhaust valve 9 on one road exhaust branch pipe 63, be used for cylinder commonly used, the pressurized air that is produced directly is delivered to gas storage chamber 30 through exhaust manifold 64;
Be equipped with pressure release modulating valve 7 and one-way exhaust valve 9 on all the other each road exhaust branch pipes 63; Pressure release modulating valve and one-way exhaust valve are provided with simultaneously; Be used to control the wind apparatus 5 control fan blades 11 of getting that become oar modulating valve 3 during gentle breeze and be in normal use angle; Be used to control the wind apparatus 5 of getting that pressure release modulating valve 7 opens and closes and then get into the pressure release state, make cylinder 61 no-load runnings of road exhaust branch pipe 63 connections therewith, the pressurized gas that this part cylinder 61 is produced effluxes; So just reduced the operating load of wind energy conversion system, made wind energy conversion system under gentle breeze, also can produce a spot of pressurized air and store.
The structure of pressure release modulating valve 7 wherein such as Figure 11, shown in Figure 12:
Pressure release modulating valve 7 is arranged on the casing 65 of said air compressor 6; It comprises pressure release valve casing 71, pressure release rotary spool 72 and gets wind apparatus 5; Said pressure release rotary spool 72 is arranged in the said pressure release valve casing 71; The two forms the rotary seal connection, said pressure release rotary spool 72 inner moulding one air-flow paths 721, and said pressure release valve casing 71 is provided with two and is the exhaust port 711 of an angle of rotation and the inlet hole 712 that is connected with said exhaust branch pipe 63; When said pressure release rotary spool 72 rotated, the inlet hole 712 of said pressure release valve casing 71 was connected with the one of which in the two said exhaust ports 711 through said air-flow path 721;
The pressure release effect of the pressure release modulating valve of multi cylinder 11 wind-force press machinees; Because the big and little extreme difference of wind is very big; In order to make full use of long-time little gentle breeze; When adopting multi cylinder 11, the working pressure that can be when little gentle breeze deducts partial cylinders 11 such as 1/2,1/3,2/5 with the pressure release modulating valve realizes little wind work.When the certain wind speed of strong wind, sealing the pressure release modulating valve makes it normally utilize strong wind work.
During pressure release rotary spool 72 rotation, two said exhaust ports 711 respectively with gas storage chamber 30 and the corresponding one by one connection of ambient atmosphere; Saidly get the end that wind apparatus 5 is arranged at said pressure release rotary spool 72, it relies on the keying of the said pressure release modulating valve 7 of wind control.
Said to get wind apparatus 5 as shown in Figure 6: it comprises:
Get windshield plate 51; Comprise that getting the bigger bulk of wind face for one gets windshield plate 511 and one and get the less fritter of wind face and get windshield plate 512; The two said windshield plates 511,512 of getting form a rotation angle; Certainly, getting windshield plate 51 and also can be provided with here is mainly used in and relies on wind-force to start the rotation of rotary spool 32 or pressure release rotary spool 72;
Running shaft 53; It is placed in the said sleeve 52 and with its gap and is connected; One end of said running shaft 53 is fixedly connected with the end of said rotary spool 32 or pressure release rotary spool 72; Its other end is fixedly connected with the two said windshield plates 511,512 of getting, and said running shaft 53 vertically is provided with said live axle 13;
On the sleeve of getting wind apparatus 5 52, also be provided with two limiting boards 513; Just often, bulk is got windshield plate 511 and vertically is provided with, and is in the position that facings the wind; And fritter is got windshield plate 512 and is horizontal; Pressure release modulating valve 7 cuts out, and the angle of swing that two limiting boards, 513 restriction bulks are got windshield plate 511 is 90 °, according to the situation that is provided with that becomes oil circuit on the oar modulating valve 3; The position of limiting board 513 can suitably be set, make bulk get windshield plate 511 or fritter and get windshield plate 512 and be consistent with the oil circuit change over conditions that become oar modulating valve 3.
Below in conjunction with Fig. 2 the whole change oar process of the utility model is done following simple the description.
Live axle rotation and drive hydraulic-pressure pump rotate together, and the end of the piston rod on the hydraulic-pressure pump acts on the convex-concave wheel, and live axle rotating band hydrodynamic pressure oil pump continues to pump pressure oil; Pressure oil is in pipeline gets into annular oil groove and get in the pressure oil oil pocket; Get into the feed pathway that becomes the oar modulating valve through pipeline then,, be enough to that bulk is got windshield plate and carry out an angle of 90 degrees rotation when wind speed is bigger; The interior pressure oil of feed pathway this moment gets into the A oil suction chamber with its connection through oil line pipe; Get in the oil hydraulic cylinder in the A chamber through annular oil groove, oil line pipe then, and promote the piston rod work done, connecting rod rotates to the wind sheltering position through promoting (or pulling) sharf; And the oil in the B chamber is back to the B oil suction chamber through oil line pipe, and gets in the lubricating cup through the drainback passage that becomes in the oar modulating valve; When the abatement of wind; Bulk is got windshield plate return under the effect of the restoring force of dish spring; Variation has taken place in the oil circuit trend in the change oar modulating valve of this moment, and pressure oil has got into the B oil suction chamber in the oil circuit connector, gets into the B chamber in the oil hydraulic cylinder through oil line pipe then; And promotion piston rod work done; Connecting rod rotates to normal operation position through pulling (or promotion) sharf, and the oil in the A chamber is back to the A oil suction chamber through oil line pipe, and gets in the lubricating cup through the drainback passage that becomes in the oar modulating valve; Can't get windshield plate to bulk when wind-force and scrape to the position that becomes oar, the pressure oil that this moment, hydraulic-pressure pump produced is back in the lubricating cup through oil line pipe and Decompression valves 8.
Above-mentioned the utility model embodiment sequence number is not represented embodiment's quality just to description.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. a hydraulic pressure becomes the oar wind energy conversion system automatically, comprising:
Wind-force transmission system (1) comprises fan blade (11), fan blade axle bed (12) and live axle (13), and said fan blade (11) is rotatably connected with said fan blade axle bed (12);
Air compressor (6) comprises casing (65) and cylinder (61), and said live axle (13) part is rotatably connected through said casing (65) and with said casing (65), and the outlet pipe (62) of said cylinder (61) is connected with the exhaust manifold (64) that same gas storage chamber (30) is connected;
A plurality of change oar actuators (2) connect one to one with said fan blade (11), are used to carry out the change oar operation of said fan blade (11),
It is characterized in that said wind energy conversion system also comprises:
Become oar modulating valve (3), it is arranged on the said casing (65), and connects one to one with a plurality of said change oar actuators (2) through oil circuit, is used to control the change oar direction of a plurality of said change oar actuators (2);
Get wind apparatus (5), it is fixed on the said change oar modulating valve (3), and relies on wind-drive to realize the automatic adjusting to said change oar modulating valve (3);
Hydraulic power device (4), it is communicated with said change oar modulating valve (3), and the said change oar of the drive force actuator (2) that passes through to be produced carries out the action of change oar;
When wind speed was big, the said wind apparatus (5) of getting relied on wind-force automatically said change oar modulating valve (3) to be regulated, and said change oar actuator (2) relies on the said fan blade of driving action force urges (11) rotation, and said fan blade (11) is reversed towards the direction of wind sheltering.
2. hydraulic pressure according to claim 1 becomes the oar wind energy conversion system automatically, it is characterized in that,
Said change oar actuator (2) comprises the oil hydraulic cylinder (21) that is arranged on the said fan blade axle bed (12) and the connecting rod (22) that is hinged with the piston rod (211) of said oil hydraulic cylinder (21); The end of said connecting rod (22) is fixedly connected with the sharf (15) of said fan blade (11), and two chambers of said oil hydraulic cylinder (21) are communicated with said change oar modulating valve (3) through oil circuit respectively.
3. hydraulic pressure according to claim 2 becomes the oar wind energy conversion system automatically, it is characterized in that,
The effect of going up of each said fan blade (11) has two change oar actuators (2), and two said change oar actuator (2) symmetries act on the said fan blade (11), and makes said fan blade (11) that rotation in the same way take place.
4. become the oar wind energy conversion system automatically according to claim 2 or 3 described hydraulic pressure, it is characterized in that,
Said change oar modulating valve (3) comprises valve casing (31) and rotary spool (32), and said rotary spool (32) is arranged in the said valve casing (31), and the two is tightly connected, interior moulding one feed pathway of said rotary spool (32) (321) and a drainback passage (322);
Said feed pathway (321) is connected with the oil inlet hole (311) that is arranged at said valve casing (31), said rotary spool (32) rotate and make said feed pathway (321) and take shape in said valve casing (31) on two be one rotate angle the corresponding one by one connections of oil drainage hole (312);
Said drainback passage (322) is arranged in the said rotary spool (32) and runs through said rotary spool (32); Said valve casing (31) is provided with four valve casing return ports (313); Per two valve casing return ports form one group, and said rotary spool (32) rotation makes said return flow line (322) be communicated with one group of valve casing return port (313) wherein; After said rotary spool (32) resetted, said return flow line (322) were communicated with said another group valve casing return port (313); Wherein one group of said valve casing return port (313) is through two chambers one by one corresponding be communicated with of oil circuit with said oil hydraulic cylinder (21), and another is organized said valve casing return port (313) and is connected with said hydraulic power device (4) through oil circuit;
Saidly get the end that wind apparatus (5) is arranged at said rotary spool, it carries out spinning movement according to the wind speed said rotary spool of size (32).
5. hydraulic pressure according to claim 4 becomes the slurry wind energy conversion system automatically, it is characterized in that,
Described hydraulic power device (4) is arranged in the said casing (65), and it comprises:
Hydraulic-pressure pump (41), it is arranged at said live axle (13) and upward and with said live axle (13) rotates;
Convex-concave wheel (42) is fixed in the said casing (65), is used to drive said hydraulic-pressure pump (41) work done;
Oil circuit connector (43); Be placed on the said live axle (13); And with the connection of said live axle (13) formation rotary dynamic seal; The oil circuit of said hydraulic-pressure pump (41) and said oil hydraulic cylinder (21) runs through said live axle (13), and is connected with said change slurry modulating valve (3) through oil circuit connector (43) output respectively.
6. hydraulic pressure according to claim 5 becomes the oar wind energy conversion system automatically, it is characterized in that,
Said oil circuit connector (43) comprising: a housing (431); With the coaxial setting of said live axle (13); One end of said housing (431) is connected with a side of said casing (65); Said housing (431) is provided with four oil pockets; Be respectively pressure oil oil pocket (4311), pressure release oil pocket (4312) and two oil suction chambers (4313,4314), sealing each other between each oil pocket is provided with four the tunnel with the corresponding asphalt channel that is communicated with of four oil pockets on the said housing (431) in the said live axle (13); Said hydraulic-pressure pump (41) is communicated with pressure oil oil pocket (4311) and pressure release oil pocket (4312) respectively through asphalt channel, and said oil hydraulic cylinder (21) is communicated with two said oil suction chambers (4313,4314) respectively through oil circuit; Two oil drainage holes of said change oar modulating valve (3) are communicated with two said oil suction chambers (4313,4314) respectively; The feed pathway (321) of said change oar modulating valve (3) is communicated with said pressure oil oil pocket (4311), and formed return flow line (322) are connected with said pressure release oil pocket (4312) during said rotary spool (32) rotation.
7. hydraulic pressure according to claim 6 becomes the oar wind energy conversion system automatically, it is characterized in that,
The periphery of said live axle (13) is provided with four annular oil grooves (131); Four said annular oil grooves (131) are respectively with four corresponding connections of said oil pocket; Be respectively equipped with the pipe joint with its connection on said pressure oil oil pocket (4311) and the two said oil suction chambers (4313,4314), said change oar modulating valve (3) connects with its pipe joint is corresponding respectively through oil circuit;
Said hydraulic-pressure pump (41) and said oil hydraulic cylinder (21) connect one to one with four said annular oil grooves (131) respectively through oil circuit;
One lubricating cup (6) is set on the said pressure release oil pocket (4312), and said lubricating cup is marked with pressure oil in (6), and said return flow line (322) are communicated with said lubricating cup (6) through oil circuit.
8. hydraulic pressure according to claim 7 becomes the slurry wind energy conversion system automatically, it is characterized in that,
A plurality of cylinders (61) are set on the said air compressor (6); Said exhaust manifold (64) is provided with the exhaust branch pipe (63) that two-way at least is communicated with it altogether, and every road exhaust branch pipe (63) is connected with the outlet pipe (62) on the cylinder (61) that respective numbers is set;
Wherein one road exhaust branch pipe (63) is provided with an one-way exhaust valve (9);
Be equipped with pressure release modulating valve (7) and one-way exhaust valve (9) on all the other each road exhaust branch pipes (63);
Wind speed hour is opened with said wind speed corresponding one tunnel said pressure release modulating valve (7), and the pressure air that each cylinder (61) that is connected with said pressure release modulating valve (7) is produced drains into atmosphere outward.
9. hydraulic pressure according to claim 8 becomes the oar wind energy conversion system automatically, it is characterized in that,
Said pressure release modulating valve (7) is arranged on the casing (65) of said air compressor (6); It comprises pressure release valve casing (71), pressure release rotary spool (72) and gets wind apparatus (5); Said pressure release rotary spool (72) is arranged in the said pressure release valve casing (71); The two is tightly connected; Inner moulding one air-flow path of said pressure release rotary spool (72) (721); Said pressure release valve casing (71) is provided with two and is the exhaust port (711) of an angle of rotation and the inlet hole (712) that is connected with said exhaust branch pipe (63), and during said pressure release rotary spool (72) rotation, the inlet hole (712) of said pressure release valve casing (71) is connected with the one of which in the two said exhaust ports (711) through said air-flow path (721);
Two said exhaust ports (711) respectively with gas storage chamber (30) and the corresponding one by one connection of ambient atmosphere;
Saidly get the end that wind apparatus (5) is arranged at said pressure release rotary spool (72), it relies on the keying of the said pressure release modulating valve of wind control (7).
10. hydraulic pressure according to claim 9 becomes the oar wind energy conversion system automatically, it is characterized in that,
The said wind apparatus (5) of getting comprising:
Get windshield plate (51), comprise that getting the bigger bulk of wind face for one gets windshield plate (511) and one and get the less fritter of wind face and get windshield plate (512), the two said windshield plates (511,512) of getting form rotation angles;
Sleeve (52), one of which end are fixed on said valve casing or the said pressure release valve casing (71);
Running shaft (53); It is placed in the said sleeve (52) and with its gap and is connected; One end of said running shaft (53) is fixedly connected with the end of said rotary spool (32) or pressure release rotary spool (72); Its other end is fixedly connected with the two said windshield plates (51) of getting, and said running shaft (53) is provided with said live axle (13) is vertical;
Dish spring (54), the one of which end is fixedly connected with said sleeve (52), and its other end acts on wherein said getting on the windshield plate (51), saidly when being used to realize gentle breeze gets resetting of windshield plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220029877XU CN202545110U (en) | 2012-01-30 | 2012-01-30 | Hydraulic automatic variable-pitch wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220029877XU CN202545110U (en) | 2012-01-30 | 2012-01-30 | Hydraulic automatic variable-pitch wind turbine |
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| Publication Number | Publication Date |
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| CN202545110U true CN202545110U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220029877XU Withdrawn - After Issue CN202545110U (en) | 2012-01-30 | 2012-01-30 | Hydraulic automatic variable-pitch wind turbine |
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| CN (1) | CN202545110U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797635A (en) * | 2012-01-30 | 2012-11-28 | 新泰市风龙王设备有限公司 | Hydraulic automatic variable-pitch wind turbine |
| CN109026526A (en) * | 2018-06-28 | 2018-12-18 | 山东科技大学 | The calculation method of hydraulic air bullet pitch-controlled system and control method and control parameter based on distributed optical fiber sensing differential pressure feedback |
| CN109878701A (en) * | 2019-02-26 | 2019-06-14 | 泗阳高传电机制造有限公司 | A kind of blade driving structure in pitch-controlled system |
-
2012
- 2012-01-30 CN CN201220029877XU patent/CN202545110U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797635A (en) * | 2012-01-30 | 2012-11-28 | 新泰市风龙王设备有限公司 | Hydraulic automatic variable-pitch wind turbine |
| CN102797635B (en) * | 2012-01-30 | 2014-12-03 | 新泰市风龙王设备有限公司 | Hydraulic automatic variable-pitch wind turbine |
| CN109026526A (en) * | 2018-06-28 | 2018-12-18 | 山东科技大学 | The calculation method of hydraulic air bullet pitch-controlled system and control method and control parameter based on distributed optical fiber sensing differential pressure feedback |
| CN109878701A (en) * | 2019-02-26 | 2019-06-14 | 泗阳高传电机制造有限公司 | A kind of blade driving structure in pitch-controlled system |
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Granted publication date: 20121121 Effective date of abandoning: 20141203 |
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