CN107165769A - A kind of streams miniature power generating device - Google Patents
A kind of streams miniature power generating device Download PDFInfo
- Publication number
- CN107165769A CN107165769A CN201710611346.9A CN201710611346A CN107165769A CN 107165769 A CN107165769 A CN 107165769A CN 201710611346 A CN201710611346 A CN 201710611346A CN 107165769 A CN107165769 A CN 107165769A
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- Prior art keywords
- runner
- streams
- curve
- wing
- generating device
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/121—Blades, their form or construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/50—Inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/50—Inlet or outlet
- F05B2250/501—Inlet
-
- 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
- Y02E10/20—Hydro energy
Abstract
The invention discloses a kind of streams miniature power generating device, by inlet channel, runner envelope, outlet flow, runner bucket, wheel hub, support column, Dynamo Room and generating set into, inlet channel, runner envelope and outlet flow constitute whole runner, whole runner is placed in the channel of mountain area streams according to the inclination angle of mountain area streams channel is horizontal, wheel hub rotates together with being joined directly together composition rotary body with runner bucket around main shaft, runner bucket is spatial warping shape, and the spatial modelling of each runner bucket is obtained by the space Curve of wing of five closings.Apparatus of the present invention do not apply the requirement of head, and apparatus structure is simply compact, and O＆M is convenient, with preferable hydraulic performance, preferable energy characteristics is provided simultaneously with, civil engineering cost is low, can be with simple process mountain area streams ground, placing streams TRT can generate electricity.
Description
Technical field
The present invention relates to a kind of streams miniature power generating device, belong to Fluid Machinery and Engineering field.
Background technology
Micro- water power of one of China's mountainous rural area regenerative resource important component, has raising and improves remote mountain areas
Rural power supply, natural ecological environment protection, poverty alleviation such as are administered poor at a variety of economic results in society.Sporadicly dissipated in miniature hydraulic resource
Cloth, but power supply wretched insufficiency and the high remote mountain areas rural area of power supply cost, build micro- Hydropower Unit equipment, are to solve agriculture
Village's agricultural production household electricity, is one of a kind of scalp, the good method of fast income problem.
Micro- water power is a kind of irreplaceable miniature regenerative resource in rural area of other energy.It is except being widely used in
Outside mountain area, rural area, it may also be used for cooling tower, waterworks etc. have the place of unnecessary head fall, available for high-rise
Heating, lighting system.The utilization of micro- water power had both had its an applied economics meaning, and more importantly its social benefit.It is comprehensive
Upper described, the micro-hydro generator that exploitation is applied to micro- water energy has an important significance.
The content of the invention
The technical problems to be solved by the invention are that the defect for overcoming prior art is filled there is provided a kind of streams micro generation
Put, in the case of the ground of simple process mountain area streams, placing streams TRT can generate electricity.
In order to solve the above technical problems, the present invention provides a kind of streams miniature power generating device, by inlet channel, runner envelope,
Outlet flow, runner bucket, wheel hub, support column, main shaft, generator and Dynamo Room composition；The water inlet flow channel is using circular
Collapsible tube, import and export cross sectional shape is all circle；The runner envelope section is circle；The outlet flow is using circle change side
Transformed area form, import is circle, is exported as rectangle；The inlet channel, runner envelope and outlet flow constitute whole runner,
Whole runner is placed in the channel of mountain area streams according to the inclination angle theta of mountain area streams channel is horizontal, and inclination angle theta is arranged according to landform；Institute
State runner bucket and wheel hub constitutes runner, in runner envelope, the wheel hub is spherical shape, and composition is joined directly together with runner bucket
Rotary body, shared of the runner bucket, is uniformly arranged on wheel hub；Described main shaft one end is connected with wheel hub, and the other end is straight
Connect and be connected with generator, the runner bucket and wheel hub rotate around main shaft together；The generator arrangements are in Dynamo Room
Interior, Dynamo Room is fixed in outlet flow by support column, while the output electric wire of generator is passed through hollow in support column
Pipeline is drawn；The runner bucket is spatial warping shape, and the spatial modelling of each runner bucket passes through five space wings closed
Type curve and obtain, Curve of wing expansion in space is obtained into plane aerofoil profile, every plane Curve of wing is by two curve groups up and down
Into；The characteristic point of five plane Curve of wing is as shown in the table：
Wherein, Ln represents n-th of plane Curve of wing, and n=1,2,3,4,5, Xu represent that plane Curve of wing upper curve is special
Abscissa a little is levied, Xd represents the abscissa of plane Curve of wing lower curve characteristic point, and y represents the ordinate of corresponding points；
Equation of the 5 plane Curve of wing altogether up and down after 10 curve matchings is as follows：
L1 upper curves：Yu=-0.011x2-2.84x+35.59
L1 lower curves：Yd=-2.97x-0.86
L2 upper curves：Yu=-0.0123x2-2.27x+47.09
L2 lower curves：Yd=-0.0005x2-2.46x+1.69
L3 upper curves：Yu=-4E-05x3-0.0107x2-1.58x+50.26
L3 lower curves：Yd=-0.0013x2-1.91x+3.31
L4 upper curves：Yu=-5E-05x3-0.0089x2-0.98x+48.51
L4 lower curves：Yd=-0.0017x2-1.32x+3.97
L5 upper curves：Yu=-4E-05x3-0.0072x2-0.36x+48.90
L5 lower curves：Yd=-0.0025x2-0.66x+11.69.
The angle of throat of foregoing water inlet flow channel is 10 °.
The diameter D1 of the section of foregoing runner envelope scope is 300~1000mm.
The angle of flare of foregoing outlet flow is 15 °.
Foregoing inlet channel length, runner envelope length, outlet flow length, the ratio of runner envelope cross section diameter are
0.56:0.33:2:1；
The ratio relation of the hub diameter and runner envelope diameter of section is 0.35.
Foregoing inclination angle theta takes 5 °~30 °.
Foregoing support column has 4, and the support column uses the cylinder of symmetrical airfoil shape.
5 space Curve of wing of foregoing each runner bucket are along the radially uniform distribution of runner bucket, the adjacent space wing
Type curve spacing is 1/6d, wherein, d is the half of runner envelope diameter of section.
It is foregoing during fabrication, first, according to the width depth and flow in mountain area streams, determine runner diameter D1, then
According to inlet channel length, runner envelope length, the ratio relation of outlet flow length and runner diameter, and hub diameter is with turning
The ratio relation of wheel diameter, determines flow channel length, runner envelope length, outlet flow length and hub diameter.
It is foregoing during fabrication, for runner bucket, can be fitted or be carried out according to indicatrix according to characteristic point
Fitting.
Compared to prior art, the device have the advantages that being：
Apparatus of the present invention do not apply the requirement of head, and apparatus structure is simply compact, and O＆M is convenient, miniature hydraulic hair
Electric installation TRT has preferable hydraulic performance, is provided simultaneously with preferable energy characteristics, and civil engineering cost is low, can simply locate
Mountain area streams ground is managed, placing streams TRT can generate electricity.
The design of apparatus of the present invention core component runner bucket, is designed using linear swirl distribution with streamline method, tool
There are preferable hydraulic performance and energy characteristics.Flowing of the current in device runner has preferable fluidised form, and the waterpower of flowing is damaged
Mistake is smaller, and operationally the efficiency comparison of water energy conversion power generation is high, up to more than 70%.
Brief description of the drawings
Fig. 1 is the overall structure figure of the streams miniature power generating device of the present invention；
Fig. 2 is the tomograph of the runner of streams miniature power generating device；
Fig. 3 is the structure chart of the runner of streams miniature power generating device；
Fig. 4 is the tomograph of runner；
Fig. 5 is the aerofoil profile space curve and fit equation figure of runner bucket；Fig. 5 (a) is L1 curves, and Fig. 5 (b) is L2 bent
Line, Fig. 5 (c) is L3 curves, and Fig. 5 (d) is L4 curves, and Fig. 5 (e) is L5 curves；
Fig. 6 is the front view of single runner blade；Fig. 6 (a) is plan, and Fig. 6 (b) is that five closing space aerofoil profiles are bent
Line；
Fig. 7 is the structure chart of single runner blade；Fig. 7 (a) three-dimensional graphs, Fig. 7 (b) is that five closing Curve of wing are empty
Between arrange top view；
Fig. 8 is the front view of runner bucket and wheel hub.
Embodiment
The invention will be further described below.Following examples are only used for clearly illustrating the technical side of the present invention
Case, and can not be limited the scope of the invention with this.
The streams miniature power generating device of the present invention is arranged in mountain area and had throughout the year in the runner of streams, structure it is specific as shown in figure 1,
By inlet channel 1, runner envelope 2, outlet flow 5, runner bucket 4, wheel hub 3, support column 6, main shaft, generator and Dynamo Room 7
Composition.
As shown in Figure 3 and Figure 4, water inlet flow channel 1 uses rounded constrictions pipe, and import and export cross sectional shape is all circle, inlet flow
The angle of throat α in road 1 takes 10 °, and the section of runner envelope 2 is diameter D1 circle, and D1 can take 300~1000mm.Outlet flow 5 is used
The Transformed area form of circle changes side, import is circular, is exported as rectangle, the angle of flare β of outlet flow is 15 °.Inlet channel 1,
Runner envelope 2 and outlet flow 5 constitute whole runner, and its length is respectively a1, a2, a3, a1:a2:a3:D1=0.56:0.33:2:
1。
As shown in figure 1, runner is placed in mountain area streams channel 8 according to the inclination angle theta of mountain area streams channel is horizontal, inclination angle theta
Arranged according to landform, take 5 °~30 ° to be advisable.
As shown in Figure 2 and Figure 8, the runner of apparatus of the present invention includes 3 two parts of runner bucket 4 and wheel hub, and wheel hub 3 is ball
Shape, composition rotary body is joined directly together with runner bucket 4, and runner bucket has 3, is uniformly arranged on wheel hub 3.Main shaft one
End is connected with wheel hub 3, and the other end is directly connected with generator, and the main shaft of runner bucket and wheel hub together around TRT revolves
Turn.Hub diameter Dg is 0.35 with runner envelope diameter D1 ratios.Generator arrangements are in Dynamo Room 7, and Dynamo Room 7 passes through branch
Dagger 6 is fixed on runner, and the present invention is altogether provided with 4 support columns, respectively 6-1,6-2,6-3 and 6-4, and support column is using symmetrical
The cylinder of air foil shape, Dynamo Room is fixed in outlet flow 5, while the output electric wire of generator is passed through in support column
Hollow pipe pass goes out.
Wheel hub and runner bucket are located in runner envelope 2, i.e. the diameter runner of runner envelope 2 diameter.Runner bucket is whole
Body is thicker at spatial warping shape, runner bucket inlet side, and relatively thin at outlet side, runner bucket number elects 3 as；Runner bucket is empty
Between moulding obtained by five closing space Curve of wing, this five space Curve of wing are along TRT radius of turn direction
It is distributed, is designed for each space Curve of wing using streamline method, by working face molded line and the molded line of thickened surface according to certain rules
End to end formation closed curve, and space curve is converted to according to a certain method, aerofoil profile expansion in space is obtained into plane aerofoil profile, often
Individual aerofoil profile is made up of two curves up and down, and the characteristic point of five plane Curve of wing is as shown in the table：
Wherein, Ln represents n-th of plane Curve of wing (n=1,2,3,4,5), and wherein Xu represents top aerofoil profile characteristic point
Abscissa, Xd represents the abscissa of bottom aerofoil profile characteristic point, and y represents the ordinate of corresponding points.
Equation of 5 aerofoil profiles after totally 10 curve matchings is as follows：
L1 upper curves：Yu=-0.011x2-2.84x+35.59
L1 lower curves：Yd=-2.97x-0.86
L2 upper curves：Yu=-0.0123x2-2.27x+47.09
L2 lower curves：Yd=-0.0005x2-2.46x+1.69
L3 upper curves：Yu=-4E-05x3-0.0107x2-1.58x+50.26
L3 lower curves：Yd=-0.0013x2-1.91x+3.31
L4 upper curves：Yu=-5E-05x3-0.0089x2-0.98x+48.51
L4 lower curves：Yd=-0.0017x2-1.32x+3.97
L5 upper curves：Yu=-4E-05x3-0.0072x2-0.36x+48.90
L5 lower curves：Yd=-0.0025x2-0.66x+11.69.
Fig. 5 (a), (b), (c), (d), (e) are respectively runner bucket outer edge side to five aerofoil profiles of hub side and its fitting
Equation, each aerofoil profile is made up of two curves, and upper curve Yu and lower curve Yd, two curves constitute the curve of closing to turn
The aerofoil profile of impeller blade, totally five are respectively L1, L2, L3, L4, L5, and upper curve Yu and lower curve Yd fit equation are as schemed
The middle upper right corner and the lower left corner.
The front view of single runner blade is illustrated in figure 6, (a) is plan, and (b) is five closing Curve of wing, turned
Impeller blade is spatial warping curved surface.Runner bucket spatial modelling is obtained by five closing Curve of wing, Curve of wing L1,
L2, L3, L4, L5 distribution are as schemed, and each Curve of wing is equidistant to be divided, and adjacent aerofoil curve spacing is 1/6d, wherein, d is
The half of runner envelope diameter, i.e. d=1/2D1, are designed for each Curve of wing using streamline method, by working face molded line with thickening
The end to end formation closed curve of molded line in face, and space curve is converted to according to a certain method.
The top view of single runner blade is illustrated in figure 7, (a) is single runner blade three-dimensional graph, single turn of (b)
Impeller blade arranges top view by five closing Curve of wing spaces, and L1, L2, L3, L4, L5 represent above-mentioned five space aerofoil profiles respectively
Curve.
When the type selecting of key dimension of the present invention, manufacture, installations, generating, by progress claimed below：
(1) according to the width depth and flow in mountain area streams, it is determined that applied runner diameter D1；
(2) according to identified runner size, according to inlet channel length a1 provided herein, runner envelope length
A2, outlet flow length a3 and runner diameter D1 ratio relation, and hub diameter Dg and runner diameter D1 ratio relation,
Determine flow channel length a1, runner envelope length a2, outlet flow length a3 and hub diameter Dg；
(3) for the main aerofoil profile of runner bucket, the characteristic point such as table provided according to the present invention carries out overall fit, can also
The fitting from line to face is carried out according to several indicatrixes.
(4) will after the model three-dimensional modeling of overall runner i.e. can carry out factory's Foundry Production, for runner it is last into
Product also need to carry out surface polishing, and the smooth of surface, smooth degree also have important influence to the operational efficiency of runner.
(5) by the chief component inlet channel of device, runner envelope, outlet flow, runner bucket, wheel hub, support column,
Dynamo Room, carries out overall package.
(6) micro-hydro generator is installed in live streams, can be placed with simple process mountain area streams ground
Streams TRT can generate electricity, water inlet flow channel against come stream method.
The application can carry out contracting geometrically to the runner according to the size and flow of different streams channels
Put.This patent runner has higher wide efficiency bent, and 70% efficiency is can guarantee that in metered flow.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of streams miniature power generating device, it is characterised in that by inlet channel, runner envelope, outlet flow, runner bucket, wheel
Hub, support column, main shaft, generator and Dynamo Room composition；The water inlet flow channel uses rounded constrictions pipe, import and export section shape
Shape is all circle；The runner envelope section is circle；The outlet flow is using the Transformed area form of circle change side, and import is circle
Shape, is exported as rectangle；The inlet channel, runner envelope and outlet flow constitute whole runner, and whole runner is according to mountain area streams
The inclination angle theta of channel is horizontal to be placed in the channel of mountain area streams, and inclination angle theta is arranged according to landform；The runner bucket and wheel hub are constituted
Runner, in runner envelope, the wheel hub is spherical shape, and composition rotary body, the runner bucket are joined directly together with runner bucket
Shared, uniformly it is arranged on wheel hub；Described main shaft one end is connected with wheel hub, and the other end is directly connected with generator, institute
Runner bucket and wheel hub is stated to rotate around main shaft together；The generator arrangements are in Dynamo Room, and Dynamo Room passes through support
Post is fixed in outlet flow, while the output electric wire of generator is gone out by hollow pipe pass in support column；The runner blade
Piece is spatial warping shape, and the spatial modelling of each runner bucket is obtained by the space Curve of wing of five closings, by space
Curve of wing expansion obtains plane aerofoil profile, and every plane Curve of wing is made up of two curves up and down；Five plane aerofoil profiles
The characteristic point of curve is as shown in the table：
Wherein, Ln represents n-th of plane Curve of wing, and n=1,2,3,4,5, Xu represent plane Curve of wing upper curve characteristic point
Abscissa, Xd represents the abscissa of plane Curve of wing lower curve characteristic point, and y represents the ordinate of corresponding points；
Equation of the 5 plane Curve of wing altogether up and down after 10 curve matchings is as follows：
L1 upper curves：Yu=-0.011x2-2.84x+35.59
L1 lower curves：Yd=-2.97x-0.86
L2 upper curves：Yu=-0.0123x2-2.27x+47.09
L2 lower curves：Yd=-0.0005x2-2.46x+1.69
L3 upper curves：Yu=-4E-05x3-0.0107x2-1.58x+50.26
L3 lower curves：Yd=-0.0013x2-1.91x+3.31
L4 upper curves：Yu=-5E-05x3-0.0089x2-0.98x+48.51
L4 lower curves：Yd=-0.0017x2-1.32x+3.97
L5 upper curves：Yu=-4E-05x3-0.0072x2-0.36x+48.90
L5 lower curves：Yd=-0.0025x2-0.66x+11.69.
2. a kind of streams miniature power generating device according to claim 1, it is characterised in that the angle of throat of the water inlet flow channel
For 10 °.
3. a kind of streams miniature power generating device according to claim 1, it is characterised in that the section of the runner envelope it is straight
Footpath D1 scope is 300~1000mm.
4. a kind of streams miniature power generating device according to claim 1, it is characterised in that the angle of flare of the outlet flow
For 15 °.
5. a kind of streams miniature power generating device according to claim 1, it is characterised in that the inlet channel length, turn
Engineer room length, outlet flow length, the ratio of runner envelope cross section diameter are 0.56:0.33:2:1；The hub diameter and runner
The ratio relation of room diameter of section is 0.35.
6. a kind of streams miniature power generating device according to claim 1, it is characterised in that the inclination angle theta takes 5 °~30 °.
7. a kind of streams miniature power generating device according to claim 1, it is characterised in that the support column has 4, described
Support column uses the cylinder of symmetrical airfoil shape.
8. a kind of streams miniature power generating device according to claim 1, it is characterised in that the 5 of each runner bucket
Bar space Curve of wing is along the radially uniform distribution of runner bucket, and adjacent space Curve of wing spacing is 1/6d, wherein, d is runner
The half of room diameter of section.
9. a kind of streams miniature power generating device according to claim 1, it is characterised in that during fabrication, first, according to mountain
The width depth and flow in area streams, determine runner diameter D1, then according to inlet channel length, runner envelope length, outlet stream
The ratio relation of road length and runner diameter, and hub diameter and runner diameter ratio relation, determine flow channel length, runner
Room length, outlet flow length and hub diameter.
10. a kind of streams miniature power generating device according to claim 1, it is characterised in that during fabrication, for runner blade
Piece, can be fitted according to characteristic point or be fitted according to indicatrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710611346.9A CN107165769A (en) | 2017-07-25 | 2017-07-25 | A kind of streams miniature power generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710611346.9A CN107165769A (en) | 2017-07-25 | 2017-07-25 | A kind of streams miniature power generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107165769A true CN107165769A (en) | 2017-09-15 |
Family
ID=59818179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710611346.9A Pending CN107165769A (en) | 2017-07-25 | 2017-07-25 | A kind of streams miniature power generating device |
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| Country | Link |
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| CN (1) | CN107165769A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829874A (en) * | 2017-09-26 | 2018-03-23 | 河海大学 | A kind of hydraulic turbine to be generated electricity based on combined type multistage marine tidal-current energy |
| CN108979940A (en) * | 2018-07-20 | 2018-12-11 | 苗逢春 | A kind of streams power generator |
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| CN103603763A (en) * | 2013-11-01 | 2014-02-26 | 河海大学 | Bulb tubular turbine for micro-head power generation of water plant |
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| CN104454631A (en) * | 2014-10-30 | 2015-03-25 | 河海大学 | Low-lift high-flow reversible tubular pump with asymmetric SX type blades |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182622A (en) * | 2011-04-07 | 2011-09-14 | 清华大学 | Six-operating-condition bidirectional tide power generation water turbine |
| CN104093970A (en) * | 2011-05-16 | 2014-10-08 | 亨利·欧伯梅尔 | Hydromotive machine |
| CN103206331A (en) * | 2013-02-07 | 2013-07-17 | 河海大学 | Low-head efficient shaft-extension tubular pump turbine and blades thereof |
| CN203441673U (en) * | 2013-07-25 | 2014-02-19 | 东方电气集团东方电机有限公司 | Tidal current energy generating water turbine |
| CN103603763A (en) * | 2013-11-01 | 2014-02-26 | 河海大学 | Bulb tubular turbine for micro-head power generation of water plant |
| CN104454631A (en) * | 2014-10-30 | 2015-03-25 | 河海大学 | Low-lift high-flow reversible tubular pump with asymmetric SX type blades |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829874A (en) * | 2017-09-26 | 2018-03-23 | 河海大学 | A kind of hydraulic turbine to be generated electricity based on combined type multistage marine tidal-current energy |
| CN108979940A (en) * | 2018-07-20 | 2018-12-11 | 苗逢春 | A kind of streams power generator |
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Application publication date: 20170915 |