CN205478114U - Type that is incorporated into power networks wind generating set based on hydraulic drive - Google Patents
Type that is incorporated into power networks wind generating set based on hydraulic drive Download PDFInfo
- Publication number
- CN205478114U CN205478114U CN201620293131.8U CN201620293131U CN205478114U CN 205478114 U CN205478114 U CN 205478114U CN 201620293131 U CN201620293131 U CN 201620293131U CN 205478114 U CN205478114 U CN 205478114U
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- discharge equipment
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- check valve
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- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 230000008878 coupling Effects 0.000 claims abstract description 22
- 238000010168 coupling process Methods 0.000 claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 claims abstract description 22
- 238000009826 distribution Methods 0.000 claims description 39
- 230000008859 change Effects 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 57
- 239000010720 hydraulic oil Substances 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Wind Motors (AREA)
Abstract
The utility model discloses a type that is incorporated into power networks wind generating set based on hydraulic drive relates to the wind power generation field, including first shaft coupling, hydraulic derailleur, second shaft coupling, permanent magnet synchronous generator and the derailleur that the impeller reached and the impeller connects gradually, the hydraulic derailleur includes casing, energy transfer unit, mends oily unit and controller. The utility model discloses can realize variable speed constant frequency operating mode in a big way through the hydraulic drive mode, the torque fluctuation of speed that alleviates transmission system reduces transmission system's fault rate, and traditional variable pump variable displacement motor transmission system's function is integrated to the hydraulic transformer simultaneously, and very big volume and the quality that has alleviateed whole device improves energy utilization, send out motor rotation number through detecting before being incorporated into the power networks, by the frequency modulation work of controller control converter, realizing firm power energy output, satisfy the demand of being incorporated into the power networks for the biggest wind energy is caught to the wind wheel.
Description
Technical field
This utility model belongs to hydraulic drive field, is specifically related to a kind of based on hydraulicdriven wind-driven generator
Group.
Background technology
Along with Wind turbines maximizes and the development of offshore wind farm, the change of operating mode and service condition makes wind-force
Machine parts bear more violent rotating speed and torque ripple, and fault rate increases.Gearbox drive and directly to drive be wind
The kind of drive that power generator is commonly used, especially based on gearbox drive.According to statistics, in drive disk assembly
Gear-box be the part taken place frequently that breaks down, its maintenance cost accounts for more than the 60% of the total maintenance cost of wind energy conversion system.
The gear ratio of gear-box is single, fluctuations in wind speed the load fluctuation caused is the most violent.
Although direct-drive type wind energy conversion system does not has gear-box, but in order to improve low-speed generator efficiency, typically uses
The method of the number of pole-pairs of substantial increase electromotor, causes electromotor volume big, and weight is high, is difficult to lifting etc. and asks
Topic.Additionally the manufacture of magneto-electric generator needs this scarce resource of rare earth, and cost is the highest, should not push away in a large number
Extensively.Direct-drive type wind energy conversion system typically uses low-speed permanent-magnet synchronous generator, the rotating speed of this motor and electrical network simultaneously
In frequency be rigidity coupling, wind speed fluctuation can to motor transmission change energy, cause to wind energy conversion system
Top load and HI high impact, it is difficult to run with optimal strategy.
The wind energy conversion system using gearbox drive typically uses double-fed asynchronous generator, by regulator generator itself
The frequency making output keeps consistent with electrical network.But can shake in speed Control, this can make machinery answer
Power is aggravated, and strengthens gear-box impact, increases fault rate.The introducing of multi-stage acceleration mechanism reduces machine
Group efficiency, makes the lower limit of the whole efficiency of Large-scale machine set drop to about 26%, causes the extreme wave of necessary resources
Take.
Wind-driven generator requires that variable speed constant frequency is to realize the maximization seizure to wind energy and optimized running, mesh
The rotating speed of motor mainly is controlled realizing by the variable-speed operation of front Wind turbines by converter, and this causes
Wind machine structure is complicated, and reliability reduces, and frequency conversion equipment involves great expense, and can cause energy in running
Measure more loss.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of based on hydraulicdriven grid-connected wind
Generating set, this grid-connected wind power unit replaces multi-stage acceleration gear-box with integrated Hydrodynamic transmission,
After being adjusted by converter after output voltage and electric current, it is achieved cutting-in control, reduce cabin overall weight volume,
Alleviate the torque ripple in drive system power generation process and impact, make wind energy conversion system more optimize operation.
This utility model solves above-mentioned technical problem by following technical proposals:
A kind of based on hydraulicdriven grid-connected wind power unit, including impeller, the first shaft coupling, second
Shaft coupling, Hydrodynamic transmission, magneto alternator and converter, described first shaft coupling and described second
Shaft coupling is separately positioned on the two ends of described Hydrodynamic transmission, and described impeller passes through described first shaft coupling and institute
Stating the rotating connection of Hydrodynamic transmission, described magneto alternator input passes through described second shaft coupling
Rotating with described Hydrodynamic transmission being connected, described magneto alternator outfan is with described converter even
Connect；
Described Hydrodynamic transmission includes housing, energy transfer unit, repairing unit and controller, described energy
Transfer unit for the transmission of rotating speed, described repairing unit for for described energy transfer unit replenisher force feed,
Described controller is for controlling the repairing amount of described repairing unit, and described energy transfer unit is placed in described housing
In；
Described energy transfer unit include flow-dividing bin that oil distribution shaft is sequentially connected with described oil distribution shaft one end end face,
Guide wheel, turbine and turbine wheel shaft, described oil distribution shaft, guide wheel, turbine and turbine wheel shaft be all coaxially disposed, described shell
The other end of the corresponding described oil distribution shaft of body is provided with opening, and one end of the corresponding described turbine wheel shaft of described housing is provided with out
Mouthful；
Described oil distribution shaft is axially inside provided with oil inlet pipe and flowline, and described flowline is with described flow-dividing bin even
Logical, described oil distribution shaft is axially inside provided with and organizes discharge equipment more, and often group discharge equipment place plane is with described
Oil distribution shaft axially vertical, often group discharge equipment includes the multiple plungers being uniformly arranged, the cavity of described plunger
Connect with described oil inlet pipe and described flowline；
Described housing is provided with near described turbine one end and organizes oil-out more, described oil-out and described oil inlet pipe
Oil-in is connected by circulation line, and described repairing unit connects with described circulation line.
Preferably, the oil drain out of described flowline is provided with pressure transducer, and described turbine wheel shaft outfan is provided with and turns
Speed sensor, described controller is connected by holding wire with described speed probe and pressure transducer respectively,
For according to each sensor acquisition to value control described converter frequency modulation work, it is achieved firm power energy export.
Preferably, described discharge equipment has 40 groups, and often group discharge equipment includes 9 plungers, each plunger
Cavity all connected with described oil inlet pipe by the first check valve, the cavity of each plunger is all unidirectional by second
Valve connects with described flowline, and described first check valve and described second check valve are in opposite direction, and described 40
Group discharge equipment is to be set in qually spaced on described oil distribution shaft, and one group of discharge equipment near described flow-dividing bin is
First group of discharge equipment, adjacent with described first group of discharge equipment for second group of discharge equipment, described first
Group discharge equipment rotates 9 degree in the counterclockwise direction around described oil distribution shaft, is the second group of row being adjacent
The setting direction of oil device, by that analogy, previous group discharge equipment is around described oil distribution shaft in the counterclockwise direction
Rotate 9 degree of setting directions being its later group discharge equipment.
Preferably, described circulation line being sequentially provided with cooler and filter, described cooler is adjacent to described
Oil-out, described repairing unit is arranged between described filter and described oil-in.
Preferably, described repairing unit includes the first repairing unit and the second repairing unit, described first repairing
Unit includes that the first check valve, hydraulic pump and the first filter, one end of described first check valve follow with described
Endless tube road connects, and the other end of described first check valve is sequentially connected with hydraulic pump and the first filter, described liquid
Press pump is also connected with motor, and described motor is connected by holding wire with described controller, described second repairing
Unit includes the second check valve and the second filter, and one end of described second check valve is with described circulation line even
Connecing, the other end of described second check valve is connected with described second filter.
Preferably, described circulation line is provided with overflow valve near described oil-in.
Preferably, controller is PLC (programmable logic controller (PLC)).
Compared with prior art, this utility model has the advantage that
1) can control wind energy conversion system to run with steady statue, the addition of hydraulic system alleviates turning of drive system
The square fluctuation of speed, instead of gear-box completely, reduces the fault rate of drive system, improves capacity usage ratio,
The electric energy being suitable for electrical network input, reduces frequency modulation link, it is simple to be incorporated into the power networks.
2) drive system classification is few, greatly reduces directly connecing between drive disk assembly in Hydraulic Power Transmission System
Touching, the function of conventional variable pump variable displacement motor drive system integrated, the efficiency transmitting energy is more
High.
3) native system eliminates gear-box, and can use more common electromotor, cost-effective, improves
Reliability；Integrated and the simplification of hydraulic part, shortens oil circuit, decreases energy loss, alleviate
Variator overall volume and weight.
4) by detection generator speed before grid-connected, controller the frequency modulation work of converter is controlled, it is achieved
Firm power energy exports, and meets grid-connected demand so that wind wheel captures maximal wind-energy.
Accompanying drawing explanation
Fig. 1 is that the structure based on hydraulicdriven grid-connected wind power unit of this utility model embodiment is shown
It is intended to；
Fig. 2 is one group of discharge equipment radial section schematic diagram along oil distribution shaft；
Fig. 3 is the layout schematic diagram of sensor and check valve at single plunger.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that, the technical solution of the utility model can be practiced, under
Face combines the drawings and specific embodiments and further illustrates this utility model, but illustrated embodiment is not as to this
The restriction of utility model.
This utility model provides a kind of based on hydraulicdriven wind power generating set, concrete such as Fig. 1 to Fig. 3
Shown in,
Including impeller the 1, first shaft coupling 2 and the second shaft coupling 12, Hydrodynamic transmission, permanent-magnet synchronous generating
Machine 13 and converter 35, the first shaft coupling 2 and the second shaft coupling 12 are separately positioned on the two of Hydrodynamic transmission
End, impeller 1 is connected by the first shaft coupling 2 is rotating with Hydrodynamic transmission, magneto alternator 13
Input is connected by the second shaft coupling 12 is rotating with Hydrodynamic transmission, and magneto alternator 13 is defeated
Go out end to be connected with converter 35；, the present embodiment middle controller 24 is PLC.
Hydrodynamic transmission includes housing 3, energy transfer module, repairing module and controller 24；
Energy transfer unit is for the transmission of rotating speed, including oil distribution shaft 4 and oil distribution shaft 4 one end end face successively
Flow-dividing bin 8, guide wheel 9, turbine 10 and the turbine wheel shaft 11 connected, oil distribution shaft 4, guide wheel 9, turbine 10 and
Turbine wheel shaft 11 is all coaxially disposed, and the other end of the corresponding oil distribution shaft 4 of housing 3 is provided with opening, the corresponding whirlpool of housing 3
One end of wheel shaft 11 is provided with opening.
Oil distribution shaft 4 is axially inside provided with oil inlet pipe 5 and flowline 6, and flowline 6 connects with flow-dividing bin 8,
Oil distribution shaft 4 is axially inside provided with and organizes discharge equipment more, often group discharge equipment place plane and oil distribution shaft 4
Axially vertical, often group discharge equipment includes the multiple plungers 14 being uniformly arranged, the cavity of plunger 14 and oil-feed
Pipe 5 connects with flowline 6, the plunger rod of plunger 14 under the effect of hydraulic oil with housing 3 undulations
Inwall abuts against, and impeller 1 drives oil distribution shaft 4 to rotate, and oil distribution shaft 4 drives plunger 14 to do stretching motion, makes
Hydraulic oil is sucked cavity from oil inlet pipe 5 or the hydraulic oil in cavity is pressed out to flowline 6 by plunger 14, goes out
The hydraulic oil that multiple plungers 14 move back and forth extrusion is pressed into flow-dividing bin 8 by oil drain out 7 by oil pipe 6 together, point
Hydraulic oil is delivered on the blade of guide wheel 9 by stream storehouse 8 by many group apertures, and hydraulic oil is leaf on guide wheel 9
The guide effect of sheet changes direction, and the hydraulic oil after guide wheel 9 will change direction gets to turbine with certain orientation
On the blade of 10, drive turbine 10 to rotate, and rotating speed is exported by turbine wheel shaft 11.
In the present embodiment, discharge equipment has 40 groups, and often group discharge equipment includes 9 plungers 14, each
The cavity of plunger 14 is all connected with oil inlet pipe 5 by the first check valve 33, and the cavity of each plunger 14 is the most logical
Crossing the second check valve 34 to connect with flowline 6, the first check valve 33 and the second check valve 34 are in opposite direction,
Each plunger 14 is all provided with advance ball and fixes with jump ring on top, is provided with sealing outside plunger 14 cavity
Part, 40 groups of discharge equipments are to be set in qually spaced on oil distribution shaft 4, near one group of discharge equipment of flow-dividing bin 8
It is first group of discharge equipment, adjacent with first group of discharge equipment for second group of discharge equipment, with second group of row
Oil device adjacent for the 3rd group of discharge equipment, by that analogy until the 40th group of discharge equipment, the 40th group
Discharge equipment is near oil-in 17；Wherein, first group of discharge equipment turns in the counterclockwise direction around oil distribution shaft 4
Dynamic 9 degree, being the setting direction of the second group of discharge equipment being adjacent, second group of discharge equipment is around joining
Oil axle 4 rotates 9 degree in the counterclockwise direction, is the setting direction of the 3rd group of discharge equipment being adjacent,
By that analogy, previous group discharge equipment rotates 9 degree in the counterclockwise direction around oil distribution shaft 4 and is its later group
The setting direction of discharge equipment, such set-up mode makes all plungers staggered, makes hydraulic energy uniform
Producing, the effect simultaneously making energy transmit more equalizes.
Housing 3 is provided with near turbine 10 one end and organizes oil-out more, oil-out and the oil-in 17 of oil inlet pipe 5
Connecting 26 by circulation line, repairing unit connects with circulation line 26, and variator utilizes repairing unit to lead to
Cross circulation line 26 to oil inlet pipe 5 replenisher force feed.
In order to lower the temperature to from flowline 6 hydraulic oil out and go the removal of impurity, on circulation line 26 successively
Being provided with cooler 15 and filter 16, hydraulic oil is after turbine 10, fuel-displaced through many groups of Hydrodynamic transmission
Mouth enters circulation line 26, and by cooler 15 and filter 16, cooler 15 is adjacent to oil-out, through joining
Oil axle 4 front end oil-in 17 enters oil inlet pipe 5, completes once to circulate；Repairing unit is arranged on filtration simultaneously
Between device 16 and oil-in 17, between repairing unit and oil-in 17, it is additionally provided with overflow valve 25, logical
Cross the whole oil circuit of overflow valve 25 and carry out pressure release.
In order to more be accurately controlled repairing amount and the oil drain quantity of discharge equipment of repairing unit, the present embodiment exists
Oil drain out 7 at flowline 6 is provided with pressure transducer 28, and turbine wheel shaft 11 outfan is provided with speed probe
29；Controller 24 is connected by holding wire with speed probe 29 and pressure transducer 28 respectively, for root
The rotating speed collected, pressure according to each sensor are equivalent, and preset value is analyzed comparing, and adjusts in real time
Joint converter frequency modulation work, it is achieved the constant output of electric energy..
Repairing unit includes the first repairing unit and the second repairing unit, and the first repairing unit includes that first is unidirectional
Valve 18, hydraulic pump 19 and the first filter 21, one end of the first check valve 18 is connected with circulation line 26,
The other end of the first check valve 18 is sequentially connected with hydraulic pump 19 and the first filter 21, and hydraulic pump 19 also connects
Connecing motor 20, motor 20 is connected by holding wire with controller 24, and the second repairing unit includes second
Check valve 22 and the second filter 23, one end of the second check valve 22 is connected with circulation line 26, and second
The other end and second filter 23 of check valve 22 connect.
The repairing process of the first repairing unit is, pressure transducer 28 detects the force value of oil drain out 7 in real time,
And force value is passed to controller 24, when pressure is less than rated value, controller 24 controls motor 20
Rotating, hydraulic oil, under the drive of motor 20, is extracted out from fuel tank, and was sequentially passed through by hydraulic pump 19
Filter 21, hydraulic pump 19 and the first check valve 18 enter circulation line 26, and are entered by oil-in 17
The oil inlet pipe 5 of oil distribution shaft 4, completes repairing；Hydraulic oil also can pass through under wind energy conversion system rotation situation simultaneously
Filter 23 and check valve 22 enter circulation line 26, and are entered the oil-feed of oil distribution shaft 4 by oil-in 17
Pipe 5, completes repairing；When force value is higher than rated value, pressure release opened by overflow valve 25.
It is as follows based on hydraulicdriven grid-connected wind power unit work process that this utility model provides:
Wind turbine impeller 1 captures wind energy, and is converted into mechanical energy, is transmitted by energy by the first shaft coupling 2
To the oil distribution shaft 4 of Hydrodynamic transmission, oil distribution shaft 4 is driven to rotate, so that oil distribution shaft 4 drives each plunger
14 do stretching motion, make plunger 14 that hydraulic oil is sucked cavity or by the hydraulic oil in cavity from oil inlet pipe 5
Being pressed out to flowline 6, multiple plungers 14 are moved back and forth the hydraulic oil of extrusion together by oil drain out by flowline 6
7 press-in flow-dividing bins 8, hydraulic oil is beaten on the blade of guide wheel 9 by flow-dividing bin 8 by many group apertures；Hydraulic oil
Through the guide effect of guide wheel 9 blade, beat on the blade of turbine 10 with certain orientation, drive turbine
10 rotate with certain speed；Controller 24 gathers signals of rotational speed sensor, controls the work of converter frequency modulation,
By in constant electric energy input electrical network, hydraulic oil is after turbine 10, many through Hydrodynamic transmission housing 3 rear portion
Group oil-out enters circulation line 26, by cooler 15 and filter 16, through oil distribution shaft 4 front end oil-feed
Mouth 17 enters oil inlet pipes 5, completes once to circulate；
Hydraulic oil from fuel tank through the first filter 21, hydraulic pump 19 and the first check valve 18 from oil-in 17
Enter oil inlet pipe 5, repairing can be completed；Hydraulic oil also can be by second under wind energy conversion system rotation situation simultaneously
Filter 23 and the second check valve 22 enter oil inlet pipe 5 and complete repairing.
The above and embodiment only in order to the technical solution of the utility model to be described, are not intended to limit, this
The protection domain of utility model is not limited to this, and any those familiar with the art is at this utility model
In the technical scope disclosed, simple change or the equivalence of the technical scheme that can become apparent to are replaced, all
Belong to protection domain of the present utility model.
Claims (7)
1. one kind based on hydraulicdriven grid-connected wind power unit, it is characterised in that include impeller (1),
First shaft coupling (2), the second shaft coupling (12), Hydrodynamic transmission, magneto alternator (13) and change
Frequently device (35), described first shaft coupling (2) and described second shaft coupling (12) are separately positioned on described liquid
The two ends of power variator, described impeller (1) is by described first shaft coupling (2) and described Hydrodynamic transmission
Rotating connection, described magneto alternator (13) input passes through described second shaft coupling (12)
Rotating with described Hydrodynamic transmission it is connected, described magneto alternator (13) outfan and described change
Frequently device (35) connects；
Described Hydrodynamic transmission includes housing (3), energy transfer unit, repairing unit and controller (24),
Described controller (24) is for controlling the repairing amount of described repairing unit, and described energy transfer unit is placed in institute
State in housing (3)；
Described energy transfer unit includes that oil distribution shaft (4) is sequentially connected with described oil distribution shaft (4) one end end face
Flow-dividing bin (8), guide wheel (9), turbine (10) and turbine wheel shaft (11), described oil distribution shaft (4), guide wheel
(9), turbine (10) and turbine wheel shaft (11) be all coaxially disposed, the corresponding described oil distribution shaft of described housing (3)
(4) the other end is provided with opening, and one end of the corresponding described turbine wheel shaft of described housing (3) (11) is provided with out
Mouthful；
Described oil distribution shaft (4) is axially inside provided with oil inlet pipe (5) and flowline (6), described flowline
(6) connecting with described flow-dividing bin (8), described oil distribution shaft (4) is axially inside provided with organizes discharge equipment more,
Often group discharge equipment place plane and described oil distribution shaft (4) is axially vertical, often organizes discharge equipment and includes uniformly
The multiple plungers (14) arranged, the cavity of described plunger (14) and described oil inlet pipe (5) and described fuel-displaced
Pipe (6) connection；
Described housing (3) is provided with near described turbine (10) one end and organizes oil-out more, described oil-out and institute
The oil-in (17) stating oil inlet pipe (5) is connected by circulation line (26), and described repairing unit is with described
Circulation line (26) connects.
Grid-connected wind power unit the most according to claim 1, it is characterised in that described flowline
(6) oil drain out (7) is provided with pressure transducer (28), and described turbine wheel shaft (11) outfan is provided with rotating speed
Sensor (29), described controller (24) and described speed probe (29) and pressure transducer (28)
Connected by holding wire, for according to each sensor acquisition to value control described converter (35) frequency modulation
Work.
Grid-connected wind power unit the most according to claim 2, it is characterised in that described oil extraction fills
Putting and have 40 groups, often group discharge equipment includes 9 plungers (14), and the cavity of each plunger (14) is the most logical
Crossing the first check valve (33) to connect with described oil inlet pipe (5), the cavity of each plunger (14) is all by
Two check valves (34) connect with described flowline (6), described first check valve (33) and described second list
In opposite direction to valve (34), described 40 groups of discharge equipments to be set in qually spaced on described oil distribution shaft (4),
One group of discharge equipment near described flow-dividing bin (8) is first group of discharge equipment, with described first group of oil extraction dress
Putting adjacent for second group of discharge equipment, described first group of discharge equipment is around described oil distribution shaft (4) along the inverse time
Pin direction rotates 9 degree, is the setting direction of the second group of discharge equipment being adjacent, by that analogy, front
One group of discharge equipment rotates 9 degree in the counterclockwise direction and is its later group oil extraction dress around described oil distribution shaft (4)
The setting direction put.
Grid-connected wind power unit the most according to claim 1, it is characterised in that described circulation pipe
Being sequentially provided with cooler (15) and filter (16) on road (26), described cooler (15) is neighbouring described
Oil-out, described repairing unit is arranged between described filter (16) and described oil-in (17).
Grid-connected wind power unit the most according to claim 1, it is characterised in that described repairing list
Unit include the first repairing unit and the second repairing unit, described first repairing unit include the first check valve (18),
Hydraulic pump (19) and the first filter (21), one end of described first check valve (18) and described circulation pipe
Road (26) connects, and the other end of described first check valve (18) is sequentially connected with hydraulic pump (19) and first
Filter (21), described hydraulic pump (19) is also connected with motor (20), described motor (20) and institute
State controller (24) to be connected by holding wire, described second repairing unit include the second check valve (22) and
Second filter (23), one end of described second check valve (22) is connected with described circulation line (26),
The other end of described second check valve (22) is connected with described second filter (23).
Grid-connected wind power unit the most according to claim 1, it is characterised in that described circulation pipe
Road (26) is upper is provided with overflow valve (25) near described oil-in (17).
Grid-connected wind power unit the most according to claim 1, it is characterised in that controller (24)
For PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620293131.8U CN205478114U (en) | 2016-04-03 | 2016-04-03 | Type that is incorporated into power networks wind generating set based on hydraulic drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620293131.8U CN205478114U (en) | 2016-04-03 | 2016-04-03 | Type that is incorporated into power networks wind generating set based on hydraulic drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478114U true CN205478114U (en) | 2016-08-17 |
Family
ID=56644699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620293131.8U Expired - Fee Related CN205478114U (en) | 2016-04-03 | 2016-04-03 | Type that is incorporated into power networks wind generating set based on hydraulic drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478114U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781111A (en) * | 2017-09-15 | 2018-03-09 | 燕山大学 | Energy storage type hydraulic wind power generating set primary frequency control system and control method |
| CN112895919A (en) * | 2020-06-12 | 2021-06-04 | 太原理工大学 | Methanol range extender applied to electric automobile |
-
2016
- 2016-04-03 CN CN201620293131.8U patent/CN205478114U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781111A (en) * | 2017-09-15 | 2018-03-09 | 燕山大学 | Energy storage type hydraulic wind power generating set primary frequency control system and control method |
| CN112895919A (en) * | 2020-06-12 | 2021-06-04 | 太原理工大学 | Methanol range extender applied to electric automobile |
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