CN203604121U - Multilayer distributary type hydraulic constant speed power generation system of vertical axis wind turbine - Google Patents
Multilayer distributary type hydraulic constant speed power generation system of vertical axis wind turbine Download PDFInfo
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- CN203604121U CN203604121U CN201320696961.1U CN201320696961U CN203604121U CN 203604121 U CN203604121 U CN 203604121U CN 201320696961 U CN201320696961 U CN 201320696961U CN 203604121 U CN203604121 U CN 203604121U
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Abstract
The utility model relates to a multilayer distributary type hydraulic constant speed power generation system of a vertical axis wind turbine. The power generation system comprises a fan part, a hydraulic part, a power generation part and a control part, wherein the fan part is connected with the hydraulic part, the hydraulic part is connected with the power generation part, and the control part is respectively connected with the fan part, the hydraulic part and the power generation part. The multilayer distributary type hydraulic constant speed power generation system of the vertical axis wind turbine is simple in structure, convenient to use and install, easy to operate, capable of being orderly started in a multilayer distributary mode, high in utilization efficiency, capable of being orderly controlled in a coordination mode, easy to control, safe and reliable, the utilization rate of wind energy is high and the self-starting effect of wind wheels is good.
Description
Technical field
The utility model relates to a kind of multilayer flow deviding type vertical shaft fan hydraulic pressure constant speed power generation system.
Background technique
Wind energy is as the one of renewable energy sources, quite abundant Chinese reserves.According to the data of National Weather Service, approximately 32.26 hundred million kilowatts of the wind energy resources gross reserves that China is liftoff 10 meters high, land wind energy content that wherein can development and utilization has 2.53 hundred million kilowatts, and the wind energy resources of 50 meters of height, than many one times of 10 meters of height, is more than 500,000,000 kilowatt.Along with people are to day by day the improving and the continuous maturation of wind generating technology of wind-power electricity generation understanding, its application is also more and more extensive.
Although current vertical axis windmill can receive the wind from any direction, have without step-up gear, and generating function is arranged on ground the feature such as easy to maintenance and being progressively taken seriously.But the efficiency of vertical axis windmill is lower at present, automatically starts ability, speed control difficulty.In addition, the electricity that the wind-power generating system of independent operating sends, its voltage and frequency are the non-standard Ac always changing, and wind energy is random fluctuation, can not match with the demand of load, need to store these wind-powered electricity generations with energy storage device, the stored electric energy of storage device is direct current, but current most electric consumer and dynamic power machine all need standard electric alternating current, therefore, in wind power system, be all designed with and can realize direct current and convert to and exchange and the inverter of complex and expensive.In addition, existing common vertical axis aerogenerator has mostly adopted direct-drive permanent-magnetism generator, and permanent magnet generator is along with the increase of its power, and cost also can sharply increase.These deficiencies have limited the scale application of vertical axis windmill above.
At present existing utility model patent: " a kind of wind power plant with automatic speed governing device " CN201943897U, this patent discloses a kind of wind power plant with automatic speed governing device, making the impeller of wind power plant output to the rotating speed of generator by automatic speed governing device (variable displacement pump unit) can stable regulation, drive the relative constant speed running of generator, and do not need just can obtain by convertor equipment the electric current that frequency is constant and consistent with mains frequency.It is to drive after step-up gear speedup by impeller, passes to variable displacement pump unit, and pump drives constant displacement hydraulic motor rotation, thereby makes generator generating.The rotating speed of unit inspection generator that simultaneously conventionally tests the speed, then feed back to control unit, control unit control electrohydraulic proportion variable mechanism changes by the flow of pump, reaches the object of control stabilization of speed.Although above-mentioned patent can change the rotating speed of pump, due to its configuration be single generator, can only under a kind of state, generate electricity, no problem in the time being more than or equal to rated wind speed; But when lower than rated wind speed, due to underfed, the moment of torsion that cannot provide generator to need, so have to shut down, therefore has wind energy to be greatly wasted, and wind energy utilization is low.In addition, it has used step-up gear, due to the mechanical efficiency of gear, will cause the energy loss of system.Owing to having used horizontal axis rotor, all very difficult arranging multiplayers, can not develop to high-altitude simultaneously, and making full use of the more high more stable advantage of wind speed cannot realize; In addition, existing common vertical axis aerogenerator has mostly adopted direct-drive permanent-magnetism generator, if be incorporated into the power networks, also needs corresponding controller and inverter, and from present's view, the cost of direct-drive permanent-magnetism generator is to hinder its maximization, business-like immediate cause.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of simple in structure, use, easy for installation, simple to operate, multilayer shunting orderly start, high utilization ratio, harmonious orderly control, control simple, wind energy utilization is high, and wind wheel self-starting is effective, has the multilayer flow deviding type vertical shaft fan hydraulic pressure constant speed power generation system of safe and reliable effect.
For addressing the above problem, the utility model adopts following technological scheme:
A kind of multilayer flow deviding type vertical shaft fan hydraulic pressure constant speed power generation system, comprise blower fan part, hydraulic part, power generation part and control section, described blower fan part is connected with hydraulic part, described hydraulic part is connected with power generation part, and described control section is connected with blower fan part, hydraulic part, power generation part respectively.
As preferred technological scheme, described blower fan part is by vertical axis rotor, wind wheel flange, rotor shaft bearing, wind wheel bearing cap, bearing, coupling, coupling flange, hydraulic pump flange, oil hydraulic pump mounting plate, mounting base and multilayer pylon composition, described coupling is arranged on the axle of vertical axis rotor, described rotor shaft bearing, wind wheel bearing cap, bearing interconnects, described vertical axis rotor is arranged on wind wheel flange, described wind wheel flange is arranged on coupling flange, described coupling flange is arranged on hydraulic pump flange, described hydraulic pump flange is arranged on multilayer pylon, described multilayer pylon is fixed on concrete column.
As preferred technological scheme, described hydraulic part is made up of variable hydraulic motor, service tank, filter, accumulator, relief valve, electromagnetic switch valve and high-speed quantitative motor, described coupling front end is connected with high-speed quantitative motor, described service tank is connected with filter, described accumulator is connected with relief valve, and described electromagnetic switch valve is connected with high-speed quantitative motor.
As preferred technological scheme, described power generation part is made up of synchronous generator and coupling, and described coupling is connected with synchronous generator.
As preferred technological scheme, described control section is made up of touch screen, air velocity transducer, programmable controller, speed probe and net-connected controller, described coupling rear end is connected with speed probe, described air velocity transducer is arranged on the relevant position of every grade of wind wheel, described speed probe is installed on respectively between every group of high-speed quantitative motor and synchronous generator, and described programmable controller is connected with air velocity transducer.
As preferred technological scheme, the horizontal section of described multilayer pylon is equilateral triangle.
The beneficial effect of a kind of multilayer flow deviding type of the utility model vertical shaft fan hydraulic pressure constant speed power generation system is: utilize multilayer vertical axis rotor, by the flow control to variable hydraulic motor (motor that can use as pump), the high pressure that in addition high-order service tank provides, and open and close the mode of corresponding electromagnetic switch valve shunting, mate again the pattern of multiple common synchronous generators, solved the problem that single generator can only generate electricity under a kind of state, traditional vertical wind power generator can normally be worked in the time being more than or equal to rated wind speed; But when lower than rated wind speed, due to underfed, the moment of torsion that cannot provide generator to need, so have to shut down, therefore has wind energy to be greatly wasted, and wind energy utilization is low; In addition, traditional vertical wind power generator has used step-up gear, due to the mechanical efficiency of gear, will cause the energy loss of system, simultaneously owing to having used horizontal axis rotor, all very difficult arranging multiplayers, can not develop to high-altitude, can not make full use of the more high more stable advantage of wind speed, the utility model is simple in structure, use, easy for installation, simple to operate, multilayer shunting orderly start, high utilization ratio, harmonious orderly control, control simple, wind energy utilization is high, and wind wheel self-starting is effective, has safe and reliable effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of multilayer flow deviding type of the utility model vertical shaft fan hydraulic pressure constant speed power generation system;
Fig. 2 is pylon and the wind wheel structure schematic diagram of a kind of multilayer flow deviding type of the utility model vertical shaft fan hydraulic pressure constant speed power generation system;
Fig. 3 is that the systems control division of a kind of multilayer flow deviding type of the utility model vertical shaft fan hydraulic pressure constant speed power generation system divides schematic diagram.
Embodiment
Consult a kind of multilayer flow deviding type vertical shaft fan hydraulic pressure constant speed power generation system shown in Fig. 1, Fig. 2 and Fig. 3, comprise blower fan part, hydraulic part, power generation part and control section, described blower fan part is connected with hydraulic part, described hydraulic part is connected with power generation part, and described control section is connected with blower fan part, hydraulic part, power generation part respectively.
As preferred technological scheme, described blower fan part is by vertical axis rotor (10), wind wheel flange (9), rotor shaft bearing (8), wind wheel bearing cap (7), bearing (6), coupling (11), coupling flange (5), hydraulic pump flange (3), oil hydraulic pump mounting plate (4), mounting base (2) and multilayer pylon (1) composition, described coupling (11) is arranged on the axle of vertical axis rotor (10), described rotor shaft bearing (8), wind wheel bearing cap (7), bearing (6) interconnects, described vertical axis rotor (10) is arranged on wind wheel flange (9), described wind wheel flange (9) is arranged on coupling flange (5), described coupling flange (5) is arranged on hydraulic pump flange (3), described hydraulic pump flange (3) is arranged on multilayer pylon (1), described multilayer pylon (1) is fixed on concrete column.
As preferred technological scheme, described hydraulic part is by variable hydraulic motor, service tank (2-1, 2-8), filter (2-2, 2-9), accumulator (2-4, 2-11), relief valve (2-5, 2-12), electromagnetic switch valve (2-6, 2-13, 2-14, 2-15, 2-17) with high-speed quantitative motor (2-7, 2-16, 2-18) composition, described coupling (11) front end and high-speed quantitative motor (2-7, 2-16, 2-18) be connected, described service tank (2-1, 2-8) and filter (2-2, 2-9) connect, described accumulator (2-4, 2-11) and relief valve (2-5, 2-12) connect, described electromagnetic switch valve (2-6, 2-13, 2-14, 2-15, 2-17) with high-speed quantitative motor (2-7, 2-16, 2-18) connect.
As preferred technological scheme, described power generation part is made up of synchronous generator (3-1,3-2,3-3) and coupling (11), and described coupling (11) is connected with synchronous generator (3-1,3-2,3-3).
As preferred technological scheme, described control section is by touch screen (4-1), air velocity transducer (4-2, 4-3), programmable controller (4-4), speed probe (4-5, 4-6, 4-7) and net-connected controller (4-8) composition, described coupling (11) rear end and speed probe (4-5, 4-6, 4-7) be connected, described air velocity transducer (4-2, 4-3) be arranged on the relevant position of every grade of wind wheel, described speed probe (4-5, 4-6, 4-7) be installed on respectively every group of high-speed quantitative motor (2-7, 2-16, 2-18) and synchronous generator (3-1, 3-2, 3-3), described programmable controller (4-4) and air velocity transducer (4-2, 4-3) connect.
As preferred technological scheme, the horizontal section of described multilayer pylon (1) is equilateral triangle.
Further, air velocity transducer is arranged on the relevant position of every grade of wind wheel, and speed probe is installed on respectively between every group of high-speed quantitative motor and synchronous generator; Program is housed in programmable controller, air velocity transducer senses wind speed, and wind speed is converted to electrical signal sends programmable controller to, programmable controller executive routine, can judge the power section of wind wheel output by computing, then automatically select according to power section and control corresponding solenoid valve and open, thereby driving corresponding high-speed quantitative motor rotation, and then driving the work of respective synchronization generator; When the wind speed gathering is while being not enough to drive any one group of high-speed quantitative motor and generator, close all solenoid valves, allow it be accumulator automatic energy storage; In the time of high-speed quantitative motor and synchronous generator work, between speed probe by gather high-speed quantitative motor and the rotating speed of synchronous generator, and this rotating speed is converted to electrical signal sends programmable controller to, programmable controller is by this tach signal required rotating speed (1500r/min) that determines whether to surf the Net, if online rotating speed programmable controller is exported control signal, start net-connected controller and electrical network and connect, if not the required rotating speed of surfing the Net is closed net-connected controller and electrical network disconnects; Touch screen can show the system data of collection able to programme, these data can be preserved automatically simultaneously.
The working principle of native system is as follows: it is mechanical energy that system partially absorbs wind energy transformation by wind wheel, through coupling, drive the rotation of (inner curve) variable hydraulic motor, hydraulic oil is pressed into (inner curve) variable hydraulic motor from high-order service tank, through accumulator, relief valve, electromagnetic switch valve, and under different wind speed by control section control, open and close corresponding control wiring shunting, arrive corresponding high-speed quantitative motor, make the speed rotation of high-speed quantitative motor with 1500rpm, through being connected to the coupling on high-speed quantitative motor, the transmission of the latter linked speed probe of coupling and the latter linked coupling of speed probe, make common synchronous generator generating, the electricity producing can be directly incorporated on electrical network.
Feature of the present utility model;
(1), according to the difference of rotation speed of fan, by the discharge capacity of regulating and controlling (inner curve) variable hydraulic motor, the flow of supplying with high-speed quantitative motor is remained unchanged.Because the discharge capacity of high-speed quantitative motor is certain, and then make the rotating speed of generator keep constant.
(2) in every one-level (two-layer, can multilayer) wind-power generating system, system is divided into two main roads and three control loops.
1. under normal wind, according to design parameter requirement, 2-13,2-15,2-17 electromagnetic switch valve are closed, and 2-6,2-14 electromagnetic switch valve are opened.Blower fan B in eminence 1 drives 2-3 variable hydraulic motor 2, makes 2-7 high-speed quantitative motor 2 drive the generator 2 in 3 to work; Meanwhile, the blower fan A in lower 1 drives 2-10 variable hydraulic motor 1, makes 2-16 high-speed quantitative motor 1 drive the common generator 1 of 2-16 to work.Now 2-18 high-speed quantitative oil hydraulic motor 0 is stand-by.
2. when wind-force hour, the discharge capacity of 2-3 (2-10) variable hydraulic motor 2 (1) is adjusted to maximum, when its flow can not reach the traffic requirement of 2-7 (2-16) high-speed quantitative motor 2 (1), control 2-6,2-13,2-14 electromagnetic switch valve 1,2,3 are closed, 2-15,2-17 electromagnetic switch valve 4,5 are opened, carry out control loop 1 and control loop 3, allow 2-3 variable hydraulic motor 2 drive 2-16 high-speed quantitative motor 1 to work, 2-10 variable hydraulic motor 1 drives 2-18 high-speed quantitative motor 0 to work simultaneously, realizes shunting.
3. when wind-force very little (but can also utilize time), 2-6,2-14,2-15,2-17 electromagnetic switch valve 1,2,4,5 are closed, 2-13 electromagnetic switch valve 3 is opened, and carries out control loop 2, allows 2-3 variable hydraulic motor 2 drive 2-18 high-speed quantitative motor 0 to work.
4. in the time that wind-force is too small, 2-6,2-13,2-14,2-15,2-17 electromagnetic switch valve 1,2,3,4,5 are closed, 2-3 (2-10) variable hydraulic motor 1,2 quits work, now to 2-4,2-11 accumulator supplying energy, the frequent starting that can reduce like this 2-3 (2-10) variable displacement motor 2 (1), can increase the service life again.In the time that wind-force reaches the startup wind speed of blower fan, relevant electromagnetic switch valve is opened, and adds the pressure action producing in high-order 2-1,2-8 service tank, contributes to the startup of 2-10 (2-3) variable hydraulic motor 1,2.In the time that wind-force exceedes very greatly the existence wind speed of blower fan separately, 2-5,1,2 off-loads of 2-12 relief valve, play safety effect.
Advantage of the present utility model;
1) mode of speed regulation: in the time that the load torque (motor etc.) of system is constant, output torque (the T=Δ p of high-speed quantitative motor
mv
m/ 2 π) and loop works pressure all invariable, output power (the P=Δ p of high-speed quantitative motor
mv
mn
m) and rotation speed n
mbe directly proportional, so loop is permanent torque volumetric speed control, circuit efficiency is high.
2) this system has been used many groups fixed displacement motor and match generator system thereof; Arrangement mode one to one and the multichannel interflow pattern of conventional employing hydraulic control are avoided; Control relatively simply, wind energy utilization is high, and complete machine cost is relatively low.
3), for this vertical shaft fan, multilayer shunting orderly start, high utilization ratio, harmonious orderly control are major advantages.
4) there is no the similar speeders such as gear speedup case, increased the mechanical efficiency of system, improved economic benefit.
5) can use multilayer arrangement, to high-altitude development, make full use of highly highlyer, the advantage that wind speed is more stable, wind energy resources is more, also saves and uses soil simultaneously, also can bring good landscape effect.
6) this system has not had expensive direct-drive permanent-magnetism generator, has reduced cost of investment, has saved rare earth resources.
The beneficial effect of a kind of multilayer flow deviding type of the utility model vertical shaft fan hydraulic pressure constant speed power generation system is: utilize multilayer vertical axis rotor, by the flow control to variable hydraulic motor (motor that can use as pump), the high pressure that in addition high-order service tank provides, and open and close the mode of corresponding electromagnetic switch valve shunting, mate again the pattern of multiple common synchronous generators, solved the problem that single generator can only generate electricity under a kind of state, traditional vertical wind power generator can normally be worked in the time being more than or equal to rated wind speed; But when lower than rated wind speed, due to underfed, the moment of torsion that cannot provide generator to need, so have to shut down, therefore has wind energy to be greatly wasted, and wind energy utilization is low; In addition, traditional vertical wind power generator has used step-up gear, due to the mechanical efficiency of gear, will cause the energy loss of system, simultaneously owing to having used horizontal axis rotor, all very difficult arranging multiplayers, can not develop to high-altitude, can not make full use of the more high more stable advantage of wind speed, the utility model is simple in structure, use, easy for installation, simple to operate, multilayer shunting orderly start, high utilization ratio, harmonious orderly control, control simple, wind energy utilization is high, and wind wheel self-starting is effective, has safe and reliable effect.
The above, be only embodiment of the present utility model, but protection domain of the present utility model is not limited to this, and any variation of expecting without creative work or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. a multilayer flow deviding type vertical shaft fan hydraulic pressure constant speed power generation system, it is characterized in that: comprise blower fan part, hydraulic part, power generation part and control section, described blower fan part is connected with hydraulic part, described hydraulic part is connected with power generation part, and described control section is connected with blower fan part, hydraulic part, power generation part respectively.
2. multilayer flow deviding type vertical shaft fan hydraulic pressure constant speed power generation system according to claim 1, it is characterized in that: described blower fan part is by vertical axis rotor, wind wheel flange, rotor shaft bearing, wind wheel bearing cap, bearing, coupling, coupling flange, hydraulic pump flange, oil hydraulic pump mounting plate, mounting base and multilayer pylon composition, described coupling is arranged on the axle of vertical axis rotor, described rotor shaft bearing, wind wheel bearing cap, bearing interconnects, described vertical axis rotor is arranged on wind wheel flange, described wind wheel flange is arranged on coupling flange, described coupling flange is arranged on hydraulic pump flange, described hydraulic pump flange is arranged on multilayer pylon, described multilayer pylon is fixed on concrete column.
3. multilayer flow deviding type vertical shaft fan hydraulic pressure constant speed power generation system according to claim 1, it is characterized in that: described hydraulic part is made up of variable hydraulic motor, service tank, filter, accumulator, relief valve, electromagnetic switch valve and high-speed quantitative motor, described coupling front end is connected with high-speed quantitative motor, described service tank is connected with filter, described accumulator is connected with relief valve, and described electromagnetic switch valve is connected with high-speed quantitative motor.
4. multilayer flow deviding type vertical shaft fan hydraulic pressure constant speed power generation system according to claim 1, is characterized in that: described power generation part is made up of synchronous generator and coupling, and described coupling is connected with synchronous generator.
5. multilayer flow deviding type vertical shaft fan hydraulic pressure constant speed power generation system according to claim 1, it is characterized in that: described control section is made up of touch screen, air velocity transducer, programmable controller, speed probe and net-connected controller, described coupling rear end is connected with speed probe, described air velocity transducer is arranged on the relevant position of every grade of wind wheel, described speed probe is installed on respectively between every group of high-speed quantitative motor and synchronous generator, and described programmable controller is connected with air velocity transducer.
6. multilayer flow deviding type vertical shaft fan hydraulic pressure constant speed power generation system according to claim 1, is characterized in that: the horizontal section of described multilayer pylon is equilateral triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320696961.1U CN203604121U (en) | 2013-11-07 | 2013-11-07 | Multilayer distributary type hydraulic constant speed power generation system of vertical axis wind turbine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320696961.1U CN203604121U (en) | 2013-11-07 | 2013-11-07 | Multilayer distributary type hydraulic constant speed power generation system of vertical axis wind turbine |
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|---|---|
| CN203604121U true CN203604121U (en) | 2014-05-21 |
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ID=50716797
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320696961.1U Expired - Fee Related CN203604121U (en) | 2013-11-07 | 2013-11-07 | Multilayer distributary type hydraulic constant speed power generation system of vertical axis wind turbine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557121A (en) * | 2013-11-07 | 2014-02-05 | 青岛经济技术开发区泰合海浪能研究中心 | Hydraulic constant-speed generating system of multilayer shunting type vertical axial fan |
| CN104595127A (en) * | 2015-01-08 | 2015-05-06 | 深圳市广发海能科技有限公司 | Three-dimensional triangular vertical shaft common-structure cascaded power generating wind tower and implementation method |
-
2013
- 2013-11-07 CN CN201320696961.1U patent/CN203604121U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557121A (en) * | 2013-11-07 | 2014-02-05 | 青岛经济技术开发区泰合海浪能研究中心 | Hydraulic constant-speed generating system of multilayer shunting type vertical axial fan |
| CN103557121B (en) * | 2013-11-07 | 2016-03-02 | 青岛经济技术开发区泰合海浪能研究中心 | A kind of multilayer flow deviding type vertical shaft fan hydraulic pressure constant speed power generation system |
| CN104595127A (en) * | 2015-01-08 | 2015-05-06 | 深圳市广发海能科技有限公司 | Three-dimensional triangular vertical shaft common-structure cascaded power generating wind tower and implementation method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20191107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |