CN206845392U - A kind of distributed hydraulic pressure generating system - Google Patents
A kind of distributed hydraulic pressure generating system Download PDFInfo
- Publication number
- CN206845392U CN206845392U CN201720541188.XU CN201720541188U CN206845392U CN 206845392 U CN206845392 U CN 206845392U CN 201720541188 U CN201720541188 U CN 201720541188U CN 206845392 U CN206845392 U CN 206845392U
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- Prior art keywords
- hydraulic
- energy
- distributed
- input devices
- power output
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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
-
- 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
Abstract
A kind of distributed hydraulic pressure generating system is the utility model is related to, including some energy input devices, hydraulic transduction device and the electric power output apparatus being sequentially connected, energy input devices, hydraulic transduction device and electric power output apparatus are connected with monitoring system;Wherein, hydraulic transduction device is several hydraulic pumps, and electric power output apparatus includes some groups of connected hydraulic motors and generator, hydraulic pump connection hydraulic motor.The utility model can realize multiple kinds of energy input and one or more electric power output, form distributed hydraulic pressure generating system, not by the grid-connected limitation of power network, load end can preferentially use electric energy caused by distributed hydraulic control electricity generation system, public electric wire net supplements energy demand of the distributed hydraulic control electricity generation system because inputting insufficient load end, the flexible input and output of energy can be reached, improve capacity usage ratio;Pylon only needs to install energy input devices and hydraulic transduction device, mitigates tower weight, improves operation stability.
Description
Technical field
The utility model belongs to generating power supply technique field, and in particular to a kind of distributed hydraulic pressure generating system.
Background technology
It is increasingly exhausted with the excessive exploitation of non-renewable energy resources.Therefore, the regenerative resources such as wind energy, ocean energy are opened
Send out imperative.Regenerative resource, which has, contains the features such as total amount is big, and concentration degree is low, and energy density is small, unstable, so its energy
Many technical bottlenecks often be present in amount switch technology.But in order to realize the commercial Application of regenerative resource, to its energy conversion
Technology proposes very high industrial requirement.For renewable energy power generation technology and generating quality, country clearly proposes necessary
It is " to meet the regenerative resource of interconnection technology standard." otherwise, the utilization of regenerative resource will be an empty verbiage.
Based on regenerative resource distributed generation system is substantially generated electricity with photovoltaic solar in recent years.Energy source is the sun
Can, the major defect of this electricity generation system is that power fluctuation have impact on generating voltage, very big shadow is generated for grid-connected
Ring, have impact on the promotion and application of this system.Traditional wind generator system, due to its monolithic construction, mechanical energy
Amount transmission, causes it to be difficult to distributed power generation.
Current wind generator system prevalence is variable-speed constant-frequency wind power generation system, following shortcomings and deficiencies be present:
1. variable speed constant frequency generator system by terminal control, reaches the purpose of constant frequency using electronic power convertor, because
This generating quality is bad;
2. existing variable speed constant frequency generator system typically all includes booster engine and electronic power convertor, therefore its manufacturing cost
It is high;
3. variable speed constant frequency generator system is generally installed on pylon, pylon volume is big, weight is big, and mounting cost is high;
4. variable speed constant frequency generator system regular maintenance cost is high.
The content of the invention
The purpose of this utility model is to overcome problems of the prior art, there is provided a kind of distributed hydraulic electricity generation system
System, realize that the flexibility of energy utilizes, improve capacity usage ratio.
In order to achieve the above object, the utility model adopts the following technical scheme that:
Including some energy input devices, hydraulic transduction device and the electric power output apparatus being sequentially connected, energy input
Device, hydraulic transduction device and electric power output apparatus are connected with monitoring system;Wherein, hydraulic transduction device is several hydraulic pressure
Pump, electric power output apparatus include some groups of connected hydraulic motors and generator, hydraulic pump connection hydraulic motor.
Further, the number of hydraulic transduction device and the number of energy input devices are equal.
Further, hydraulic pump connects hydraulic motor by fluid pressure line.
Further, hydraulic pump is one and hydraulic motor of the hydraulic pump connection no less than two.
Further, hydraulic pump is no less than two and all hydraulic pump connects a hydraulic motor.
Further, energy input devices include wind turbine, the hydraulic turbine or steam turbine.
Further, buncher is set between energy input devices and hydraulic transduction device.
Compared with prior art, the utility model has technique effect beneficial below:
The utility model is by setting some energy input devices being sequentially connected, hydraulic transduction device and electric power output
Device, multiple kinds of energy input and one or more electric power output can be realized, distributed hydraulic pressure generating system is formed, not by power network
Grid-connected limitation, load end can preferentially use electric energy caused by distributed hydraulic control electricity generation system, public electric wire net supplement distribution
Energy demand of the formula hydraulic control electricity generation system because inputting insufficient load end, can reach the flexible input and output of energy, improve
Capacity usage ratio, electricity cost is saved, reduce electric cost;Part of the present utility model connects to form flexible structure, from
And realizing pylon only needs to install energy input devices and hydraulic transduction device, other capital equipments, such as hydraulic motor, generator
And monitoring system etc. can be installed on ground or suitable position, mitigate tower weight significantly, reduce manufacturing cost, and can improve
Operation stability.The utility model is energy transmission medium by hydraulic pressure, effectively reduces power fluctuation for grid-connected influence,
Be advantageous to the promotion and application of system;Meanwhile the utility model is easy to implement modularization, seriation, research and development are effectively reduced
And production cost, greatly facilitate popularization and application of the present utility model.
Further, the utility model drives an electric power output apparatus by designing more energy input devices, realizes
Multiple kinds of energy input and all the way electric power output, meet load end significant power demand, flexible arrangement.
Further, the utility model drives some electric power output apparatus by an energy input devices, realizes more
Road electric power output, meet load end low power demand.
Further, the utility model can be used for nature stream to generate electricity, such as wind, the stream energy such as water, and use distributed arrangement,
It is easy to product seriation research and development, installation, safeguards.
Further, the utility model sets buncher between energy input devices and hydraulic transduction device, makees
For the speed increaser of flexibility, natural energy is better achieved --- the stepless changing of electric energy, it is steady to transmit motion homogeneous, it is easy to accomplish fast
Speed starts, braking, so as to effectively eliminate influence of the turbine rotation speed change to generation frequency.
Brief description of the drawings
Fig. 1 is the schematic diagram that the utility model one drags N-type system;
Fig. 2 is the schematic diagram that the utility model N drags a type system.
1- energy input devices;2- hydraulic transduction devices;3- hydraulic motors;4- generators;5- electric power output apparatus;6- liquid
Press pump;7- fluid pressure lines;8- monitoring systems.
Embodiment
The utility model is described in further details below in conjunction with the accompanying drawings.
Referring to Fig. 1 and Fig. 2, the utility model includes energy input devices 1, hydraulic transduction device 2 and the electricity being sequentially connected
Power output device 5, energy input devices 1, hydraulic transduction device 2 and electric power output apparatus 5 are connected with monitoring system 8, energy
Other energy are changed into hydraulic energy by input unit 1;Hydraulic energy is sent to electric power output apparatus 5, electric power by hydraulic transduction device 2
Output device 5 needs to carry out energy distribution according to load, and monitoring system 8 carries out total system monitoring.
Energy input devices 1 can be an energy input equipment in the utility model;Can also be multiple energy inputs
Equipment, energy input devices group is formed, multiple kinds of energy can be converted into mechanical energy, including wind turbine, the hydraulic turbine, steam turbine
Deng, but it is not limited to natural stream energy of the Continuous Energies such as wind energy, water energy, ocean current energy etc..
Hydraulic transduction device 2 includes some hydraulic pumps 6 and fluid pressure line 7;Between energy input devices 1 and hydraulic pump 6
Buncher is set;Electric power output apparatus 5 includes some groups of connected hydraulic motors 3 and generator 4, a hydraulic motor 3
One group of electric power output apparatus is formed with a generator 4.Mechanical energy is wherein converted into by hydraulic pump 6 by hydraulic energy, and passed through
Fluid pressure line 7 is delivered to hydraulic energy the hydraulic motor 3 of next stage electric power output apparatus 5, and hydraulic motor 3 is hydraulic energy transfer
Mechanical energy is converted into electric energy and exported by mechanical energy, generator 4.
The number of hydraulic pump 6 is equal with the number of energy input devices 1, and system includes three kinds of forms in the utility model,
One drags N-type:Hydraulic pump 6 is one and the hydraulic pump 6 is no less than two hydraulic motors 3, multiple hydraulic pressure by the connection of fluid pressure line 7
Motor 3 and generator 4 form electric power output apparatus group, are dragged if forming an energy input devices 1 in electric power output apparatus 5
The combination of dry hydraulic motor 3 and generator 4;N drags a type:Hydraulic pump 6 is no less than two, forms hydraulic transduction device group, and institute
There is hydraulic pump 6 to connect a hydraulic motor 3 by fluid pressure line 7, form some energy input devices 1 and drag electric power output apparatus
The combination of a hydraulic motor 3 and generator 4 in 5.N drags N-type:One drags N and N to drag one can be combined drags N-type as N.
In use, the combining form of a hydraulic motor 3 and generator 4 is dragged for more energy input devices 1, work
Process is:Several energy input devices 1 operate simultaneously, drive the hydraulic pump 6 of identical quantity to rotate, hydraulic energy is delivered to electricity
Power output device 5 a, only hydraulic motor 3 and a generator 4 in electric power output apparatus 5, meets the high-power need of load end
Ask.
The combining form of some hydraulic motors 3 and generator 4, the course of work are dragged for an energy input equipment
It is:One energy input devices 1 operates, and drives a hydraulic pump 6 to rotate, hydraulic energy is delivered to electric power output apparatus 5, electric power
Some hydraulic motors 3 and generator 4 are included in output device 5, meets load end low power demand.
The utility model provides a kind of distributed hydraulic pressure generating system, including a number of energy input equipment, energy
Conversion equipment and a number of electric power output equipment are measured, using hydraulic pressure as energy conversion medium, realizes multiple kinds of energy input and one
Road or multiple power output, meet distributed power generation, and not by the grid-connected limitation of power network, it is load supplying that can be directly connected to generator,
It can also be that public electric wire net generates electricity, be achieved in that the flexibility of energy utilizes, saved electricity cost, maintenance cost is low, drop
Low electric cost.
Important supplement of the utility model distributed energy as energy resource system, and bulk power grid organic unity, indispensable,
Realize in the case of different operating modes, the flexibility of energy output and the seriation of manufacture;It is energy transmission medium by hydraulic pressure, has
Effect reduces power fluctuation for grid-connected influence, is advantageous to the promotion and application of system;Meanwhile with conventional electricity generation system phase
Than the utility model is easy to implement modularization, seriation, effectively reduces research and development and manufacturing cost, greatly facilitates
The popularization and application of the system, also improve installation easy to maintain.
Traditional natural energy generating set is solved generation frequency by the utility model by terminal control by electric energy frequency modulation device
Fluctuation, reform as process control, be converted into unstable natural energy by the flexible process control of middle hydraulic energy stable
Electric energy, realize unordered, uncontrollable natural energy generating and arrive orderly, controllable electric conversion of energy.
The utility model employs " flexibility " mechanism of variable-ratio." flexibility " is embodied in two aspects:First, type of attachment
" flexibility " structure, it is achieved thereby that pylon only needs to install energy input devices and hydraulic transduction device, other capital equipments, such as
Hydraulic motor, generator and monitoring system etc. can be installed on ground or suitable position, mitigate tower weight significantly, reduce system
This is caused, and operation stability can be improved.Second, " flexibility " increasing is employed between energy input devices and hydraulic transduction device
Fast device (buncher), natural energy --- the stepless changing of electric energy can be achieved, it is steady to transmit motion homogeneous, it is easy to accomplish be quick
Start, braking, so as to effectively eliminate influence of the turbine rotation speed change to generation frequency.
The utility model distribution hydraulic electricity generation equipment easily realizes the seriation of product, using flexible distributed arrangement side
Formula.And a variety of power demands can be met simultaneously.A serial exploitation can be realized by the research and development to elementary cell, it is main
There is 1 to drag N, N to drag 1, N to drag N isotypes.
Claims (7)
- A kind of 1. distributed hydraulic pressure generating system, it is characterised in that:Including be sequentially connected some energy input devices (1), Hydraulic transduction device (2) and electric power output apparatus (5), energy input devices (1), hydraulic transduction device (2) and electric power output dress (5) are put with monitoring system (8) to be connected;Wherein, hydraulic transduction device (2) is several hydraulic pumps (6), electric power output apparatus (5) some groups of connected hydraulic motors (3) and generator (4), hydraulic pump (6) connection hydraulic motor (3) are included.
- A kind of 2. distributed hydraulic pressure generating system according to claim 1, it is characterised in that:Hydraulic transduction device (2) Number is equal with the number of energy input devices (1).
- A kind of 3. distributed hydraulic pressure generating system according to claim 1, it is characterised in that:Hydraulic pump (6) passes through hydraulic pressure Pipeline (7) connection hydraulic motor (3).
- A kind of 4. distributed hydraulic pressure generating system according to claim 1, it is characterised in that:Hydraulic pump (6) be one and Hydraulic motor (3) of the hydraulic pump (6) connection no less than two.
- A kind of 5. distributed hydraulic pressure generating system according to claim 1, it is characterised in that:Hydraulic pump (6) is no less than two Individual and all hydraulic pump (6) connects a hydraulic motor (3).
- A kind of 6. distributed hydraulic pressure generating system according to claim 1, it is characterised in that:Energy input devices (1) are wrapped Include wind turbine, the hydraulic turbine or steam turbine.
- A kind of 7. distributed hydraulic pressure generating system according to claim 1, it is characterised in that:Energy input devices (1) and Hydraulic transduction device sets buncher between (2).
Priority Applications (1)
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CN201720541188.XU CN206845392U (en) | 2017-05-16 | 2017-05-16 | A kind of distributed hydraulic pressure generating system |
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CN201720541188.XU CN206845392U (en) | 2017-05-16 | 2017-05-16 | A kind of distributed hydraulic pressure generating system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107061176A (en) * | 2017-05-16 | 2017-08-18 | 西安交通大学 | Distributed hydraulic pressure generating system |
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2017
- 2017-05-16 CN CN201720541188.XU patent/CN206845392U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107061176A (en) * | 2017-05-16 | 2017-08-18 | 西安交通大学 | Distributed hydraulic pressure generating system |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20190516 |
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CF01 | Termination of patent right due to non-payment of annual fee |