CN106050523A - Efficient multistage middle-hollow mixed-flow type integrated hydro-generator - Google Patents
Efficient multistage middle-hollow mixed-flow type integrated hydro-generator Download PDFInfo
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- CN106050523A CN106050523A CN201610468639.1A CN201610468639A CN106050523A CN 106050523 A CN106050523 A CN 106050523A CN 201610468639 A CN201610468639 A CN 201610468639A CN 106050523 A CN106050523 A CN 106050523A
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- 230000007246 mechanism Effects 0.000 claims abstract description 108
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000005284 excitation Effects 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims description 52
- 238000001035 drying Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 6
- 238000009529 body temperature measurement Methods 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
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- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
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- 239000004744 fabric Substances 0.000 description 2
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- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- 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
- F03B3/02—Machines or engines of reaction type; Parts or details peculiar thereto with radial flow at high-pressure side and axial flow at low-pressure side of rotors, e.g. Francis turbines
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/20—Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- 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
- F05B2220/7066—Application in combination with an electrical generator via a direct connection, i.e. a gearless transmission
-
- 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
- F05B2260/00—Function
- F05B2260/20—Heat transfer, e.g. cooling
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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
- Y02E10/20—Hydro energy
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses an efficient multistage middle-hollow mixed-flow type integrated hydro-generator which comprises a first stator mechanism, a second stator mechanism, a first rotor mechanism, a second rotor mechanism and a rotating wheel mechanism, wherein the rotating wheel mechanism comprises a first rotary inner cover, a second rotary inner cover and a fixed outer cover that are connected through a sealed bearing to form a closed annular cavity; a first rotary impeller and a second rotary impeller are mounted on the inner sides of the first rotary inner cover and the second rotary inner cover; the first stator mechanism and the first rotor mechanism are mounted pairwise at the upper part in the annular cavity; and the second stator mechanism and the second rotor mechanism are mounted pairwise at the lower part in the annular cavity. The efficient multistage middle-hollow mixed-flow type integrated hydro-generator is high in excitation efficiency, long in service life, low in construction cost and production management cost, and high in water power conversion efficiency.
Description
Technical field
The present invention relates to hydroelectric facility field, particularly relate to one the most multistage in logical mixed-flow integration hydraulic generator
Machine.
Background technology
Hydroturbine generator can be divided into impulse turbine and the big class of reaction turbine two by operation principle.Impact type water
The runner of turbine is rotated by the impact of current, and in work process, the pressure of current is constant, mainly the conversion of kinetic energy；Counterattack
The runner of the formula hydraulic turbine is rotated by the counteracting force of current in water, and in work process, the pressure of current all can have with kinetic energy
Change, but mainly pressure can conversion.
Impulse turbine, owing to its active wheel only part crosses water, part bucket stress, therefore such hydraulic turbine necessary flow
Less, relatively it is suitable for the generating place of low discharge high water head.Impulse turbine, can be divided into by the flow direction of current and cut the formula of hitting (again
Claim bucket-type) and tilt-impulse type two class, under the conditions of isometrical water wheels, the stress arm of force cutting the formula of hitting is relatively big relative to tilt-impulse type, but runs
Water wheels rotating speed is relatively small.
Reaction turbine can be divided into mixed-flow, axial-flow type, diagonal flow type and tubular.In Francis turbine, current
Radially into stator mechanism, axially flow out runner；In axial flow hydraulic turbine, current radially into stator, axially into and stream
Go out runner；In inclined flow turbine, current flow to runner radially into stator favouring the direction of a certain angle of main shaft,
Or flow to stator and runner to favour the direction of main shaft；In tubular turbine, current flow to stator and runner vertically.
Axial-flow type, tubular and inclined flow turbine also can be divided into by its structure determines paddle and rotary propeller type.The runner bucket determining paddle is
Fix；The runner bucket of rotary propeller type can be in operation and rotate, to adapt to the change of head and load around sharf.Currently make
With relatively broad mainly axial-flow type and Francis turbine.
The generally existing problem of the existing hydraulic turbine is: 1) impeller of the hydraulic turbine need to pass through with electromotor and excitation electromotor
Longer transmission shaft driven, and generally, the installation for the ease of power transmission shaft is changed, power transmission shaft junction can use flange
Connect, simultaneously in order to maintain power transmission shaft stable rotation, it is to avoid eccentric rotary, can arrange multiple in the junction of rotating shaft and middle part
Bearing, bearing increase the friction energy-dissipating that can strengthen in rotation process, bearing easily burns out because of temperature arrising caused by friction, and longer power transmission shaft
When eccentric rotary occurs, it is easily caused and electromotor is caused damage；2) electromotor and the exciter of existing hydroturbine generator exists
Work can produce substantial amounts of used heat (mainly by heavy current heat production in wire and bearing pivoting friction heat production), need to install specially
Heat radiation, cooling system, when heat radiation, cooling system go wrong, be easily caused movement, bearing burns out, even and if
Cooling system normally works down, and owing to stator and rotor are that inside and outside layer is distributed, the used heat of the rotor generation being positioned at internal layer need to pass through
Stator is transmitted to the external world with rotor every space gap layer, and little every the heat conduction rate of space gap layer, internal layer rotor is deposited with outer layer stator
In the bigger temperature difference, internal layer rotor easily burns；3), there are bigger current owing to utilizing at flow energy in the existing hydraulic turbine
Kinetic energy is remaining and frictional heat is lost, and the utilization rate of flow energy is relatively low, present stage, the relatively high stable of axial flow hydraulic turbine
Efficiency is only 90%；4) existing often group hydrogenerator is all the customization machine for different terrain, causes raw material, assembly, line
Material and parts can not be general, it is impossible to enough batch productions；5) due to the stator in hydrogenerator, rotor, salient pole, power transmission shaft
Needing to bear the stress of higher temperature or bigger Deng parts, the parts such as its stator, rotor, salient pole, power transmission shaft are to the strength of materials
Require height.
Above-mentioned factor causes bigger input cost and production management's cost to the construction in power station, and power station produces production capacity
Relatively low, the small-sized available hydraulic power potentials of part is wasted.
Summary of the invention
The technical problem to be solved is: 1) in existing hydroturbine generator, power transmission shaft and bearing be due to stress relatively
Greatly, friction produce temperature higher, its loss is bigger；2) electromotor and the exciter of existing hydroturbine generator can produce greatly at work
The used heat of amount, needs to install special cooling system, and the cooling effect of its cooling system is not good enough, easily burn movement；3) existing
There is the relatively high stable efficiency of the hydraulic turbine only about 90%；4) existing hydrogenerator is all the customization machine for different terrain,
There is larger difference in volume, it is impossible to enough batch productions；5) parts pair such as the stator in hydrogenerator, rotor, salient pole, power transmission shaft
The strength of materials requires height.
For solving its technical problem the technical solution adopted in the present invention it is: logical mixed-flow integration during one is the most multistage
Hydrogenerator, including the first stator mechanism, the second stator mechanism, the first rotor mechanism, the second rotor mechanism, rotating wheel mechanisms that,
Draft tube, stator mechanism and water inlet spiral case, water flowing in the middle part of rotating wheel mechanisms that, water inlet spiral case, stator mechanism, rotating wheel mechanisms that and draft tube
Constitute the water stream channel of sealing successively；
It is characterized in that: rotating wheel mechanisms that include the first rotary impeller, the second rotary impeller, first rotate inner cover, second rotate inner cover and
Stationary housings, the first rotary impeller and the second rotary impeller hollow water flowing, the lower ring excircle of the first rotary impeller is fixedly connected on first
Rotating on the inner periphery of inner cover, the excircle of the second rotary impeller is fixedly connected on the inner periphery of the second rotation inner cover, the first rotating vane
The blade axial angle of wheel is contrary with the blade axial angle of the second rotary impeller, the rotation direction phase of the first rotary impeller and the second rotary impeller
Instead, first rotates inner cover rotates the coaxial upper and lower distribution of inner cover with second, and stationary housings is positioned at the first rotation inner cover and second and rotates
The radial outside of inner cover, first rotates inner cover, the second rotation inner cover and stationary housings connects and composes closing by sealing bearing
Toroidal cavity, the first stator mechanism stationary housings of being the most side by side arranged on toroidal cavity in coaxial with the second stator mechanism is radially
Outside, the first rotor mechanism is coaxial with the second rotor mechanism arranged side by side up and down, matches respectively in the first stator mechanism and the second stator
Mechanism, and be separately mounted in toroidal cavity first rotation inner cover and second rotate inner cover radially inner side；
Described first stator mechanism includes the first generator armature winding and the coaxial upper and lower ring arranged side by side of the first armature of exciter winding
Shape is distributed, and the second stator mechanism includes the second generator armature winding and the coaxial upper and lower ring arranged side by side of the second armature of exciter winding
Shape is distributed；
The first rotor mechanism includes that the first generator excitation winding and the coaxial upper and lower annular arranged side by side of the first exciter excitation winding are divided
Cloth, the second rotor mechanism includes that the second generator excitation winding and the coaxial upper and lower annular arranged side by side of the second exciter excitation winding are divided
Cloth.
As further illustrating, described first rotates inner cover is provided with the first conduction at the joint gap of stationary housings
Brush, second rotates inner cover is provided with the second conduction brush, the first rotor mechanism and the second rotor at the joint gap of stationary housings
Mechanism is conductively connected the external world by the first conduction brush and the second conduction brush respectively.
As optimizing further, rotate the friction of inner cover in order to reduce draft tube and second, improve its sealing, institute simultaneously
State and be provided with ceramic seal bearing between the second rotation inner cover and draft tube.
As optimizing further, in order to have more preferable water resistance, outside described sealing bearing or ceramic seal bearing
Side is provided with the folding shape centrifugal drying waterside ring cooperated, and the clearance aperture of folding shape centrifugal drying waterside ring is radially outward.
As optimizing further, in order to preferably strengthen water dumping effect and the wearability of folding shape centrifugal drying waterside ring, described
It is also equipped with resin wear ring in the ring of folding shape centrifugal drying waterside.
As optimizing further, in order to realize the real-time dynamic monitoring to stator mechanism and rotor mechanism, described fixing outside
Infrared temperature measurement device it is also equipped with in cover.
Explanation based on technique scheme, described the most multistage in logical mixed-flow integrated water turbine generator acting process
For: current enter from water inlet spiral case, guide through stator mechanism, flow into the first rotary impeller, and the first rotary impeller is occurred by hydraulic pressure counterattack
Rotating, current with certain speed, enter the second rotary impeller, drive the second rotary impeller, the first rotating vane after the first rotary impeller flows out
Wheel turns to contrary with the second rotary impeller, and drives the first generator excitation winding and the second generator excitation winding to rotate respectively,
Magnetic strength cuts the first generator armature winding and the second generator armature winding respectively, it is achieved double armature generates electricity；This kind does merits and demerits
Journey, the spin eddy kinetic energy of its current is little, and water energy conversion ratio is high.
Operation principle: this invention described the most multistage in logical mixed-flow integrated water turbine generator, during work, current pass through
The guiding of stator mechanism and control, flow into rotating wheel mechanisms that, and in rotating wheel mechanisms that, the first rotary impeller and the second rotary impeller are in water flow pressure
Driving under drive respectively the first rotation inner cover and second rotate inner cover rotate, first rotate inner cover and second rotate inner cover and divide
Do not drive the first exciter excitation winding and the rotation of the second exciter excitation winding, be respectively cut the first armature of exciter winding
Alternating current input is produced with the second armature of exciter winding coil, the first armature of exciter winding and the second armature of exciter winding
To extraneous rectifying installation rectification, it is input to the first electromotor encourages by the first conduction brush and the second conduction brush conduction respectively after rectification
Magnetic winding and the second generator excitation winding, produce respectively for cutting the first generator armature winding and the second generator armature
The magnetic field of winding, and make the first generator armature winding and the second generator armature winding output magnetic strength electric current.
Beneficial effect: of the present invention the most multistage in logical mixed-flow integrated water turbine generator, relative to existing water
Wheel TRT, owing to the first stator mechanism, the second stator mechanism, the first rotor mechanism and the second rotor mechanism are directly installed on
In the toroidal cavity of rotating wheel mechanisms that, the used heat that power generation operation process produces can be directly by the first rotation inner cover, the second rotation
Cover and stationary housings reject heat in current, effectively eliminate special cold true cooling system；And the first rotor mechanism and second
The used heat of rotor mechanism can directly by first rotation inner cover and second rotate inner cover heat conduction to the external world, relative to traditional rotor
Structural models, its heat conduction without by between rotor and stator every dead level, compare existing generator heat-radiation system, have
Preferably radiating effect, can be prevented effectively from the problem burning movement, increases the service life of equipment.
Simultaneously as the first rotary impeller and the second rotary impeller is in opposite direction, remaining after rotating wheel mechanisms that of its current
Kinetic energy can be substantially reduced, and water energy conversion ratio, up to 96%, compares traditional single runner Francis turbine, and efficiency can improve 7%.
Additionally, due to rotating wheel mechanisms that and the first stator mechanism, the second stator mechanism, the first rotor mechanism, the second rotor machine
Structure is integrated with rotating wheel mechanisms that, and power transmission, without by power transmission shaft parts transmission, can effectively avoid power transmission shaft bias to ask
Topic and bearing friction energy consumption issues, enormously simplify the structure and material of hydroturbine generator, reduce equipment largely
Volume；This equipment all can overall use under many situations of power plant construction, enhances the versatility of equipment significantly, decreases
Power plant construction cost and production management's cost.
Accompanying drawing explanation
Fig. 1 is the vertical cross section TV structure schematic diagram of the present invention program one；
Fig. 2 is A-A horizontal profile structure schematic diagram in the present invention program one；
Fig. 3 is B-B horizontal profile structure schematic diagram in the present invention program one；
Fig. 4 is the vertical cross section TV structure schematic diagram of the present invention program two；
Fig. 5 is to roll over shape centrifugal drying waterside ring structure enlarged diagram in the present invention program two；
Fig. 6 is to roll over shape centrifugal drying waterside ring structure enlarged diagram in the present invention program three；
Fig. 7 is the vertical transverse sectional structure schematic diagram of the present invention program four；
In figure: 1 be the first stator mechanism, 11 be the first generator armature winding, 12 be the first armature of exciter winding, 2 be
Two stator mechanisms, 21 be the second generator armature winding, 22 be the second armature of exciter winding, 3 be the first rotor mechanism, 31 the
One generator excitation winding, 32 first exciter excitation windings, 4 be the second rotor mechanism, 41 be the second generator excitation winding,
42 it is the second exciter excitation winding, 5 is rotating wheel mechanisms that, 51 is the first rotary impeller, 52 is the second rotary impeller, 53 is the first rotation
Inner cover, 54 be the second rotation inner cover, 55 for stationary housings, 56 for seal bearing, 57 for toroidal cavity, 58 be the first conduction brush,
59 it is the second conduction brush, 511 is ceramic seal bearing, 512 is folding shape centrifugal drying waterside ring, 513 is resin wear ring, 514 is
Infrared temperature measurement device, 6 be draft tube, 7 for stator mechanism, 8 for water inlet spiral case.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe wholely；Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Scheme one (as shown in Figure 1, Figure 2 and Figure 3): logical mixed-flow integrated water turbine generator, bag during one is the most multistage
Include first the 1, second stator mechanism 2 of stator mechanism, the first rotor mechanism the 3, second rotor mechanism 4, rotating wheel mechanisms that 5, draft tube 6,
Stator mechanism 7 and water inlet spiral case 8, water flowing in the middle part of rotating wheel mechanisms that 5, water inlet spiral case 8, stator mechanism 7, rotating wheel mechanisms that 5 and draft tube 6
Constitute the water stream channel of sealing successively；Rotating wheel mechanisms that 5 include first rotary impeller the 51, second rotary impeller 52, first rotate inner cover 53,
Second rotates inner cover 54 and stationary housings 55, and the lower ring excircle of the first rotary impeller 51 is fixedly connected on the first rotation inner cover 53
On inner periphery, the excircle of the second rotary impeller 52 is fixedly connected on the inner periphery of the second rotation inner cover 54, the first rotary impeller 51
Blade axial angle is contrary with the blade axial angle of the second rotary impeller 52, the first rotary impeller 51 and rotation direction of the second rotary impeller 52
On the contrary, first rotates inner cover 53 rotates the coaxial upper and lower distribution of inner cover 54 with second, and stationary housings 55 is positioned at the first rotation inner cover 53
With the second radial outside rotating inner cover 54, first rotates inner cover 53, second rotates inner cover 54 with stationary housings 55 by sealing
Bearing 56 connects and composes the toroidal cavity 57 of closing, and the first stator mechanism 1 is coaxial with the second stator mechanism 2 to be arranged on the most side by side
Stationary housings 55 radial outside in toroidal cavity 57, the first rotor mechanism 3 is coaxial with the second rotor mechanism 4 arranged side by side up and down, point
Do not match in the first stator mechanism 1 and the second stator mechanism 2, and the first rotation inner cover 53 being separately mounted in toroidal cavity 57
Inner cover 54 radially inner side is rotated with second.
As being further elaborated with of above-mentioned embodiment, described first stator mechanism 1 includes the first generator armature
Winding 11 and the coaxial upper and lower annular spread arranged side by side of the first armature of exciter winding 12, the second stator mechanism 2 includes the second electromotor
Armature winding 21 and the coaxial upper and lower annular spread arranged side by side of the second armature of exciter winding 22；The first rotor mechanism 3 includes first
Motor excitation winding 31 and the coaxial upper and lower annular spread arranged side by side of the first exciter excitation winding 32, the second rotor mechanism 4 includes
Two generator excitation windings 41 and the coaxial upper and lower annular spread arranged side by side of the second exciter excitation winding 42；First rotates inner cover 53
Be provided with the first conduction brush 58 at the joint gap of stationary housings 55, second rotates between the connection of inner cover 54 and stationary housings 55
Being provided with the second conduction brush 59 at gap, the first rotor mechanism 3 and the second rotor mechanism 4 are respectively by the first conduction brush 58 and second
Conduction brush 59 is conductively connected the external world.
As optimizing further, rotate in inner cover the 53, second rotation to reduce draft tube 6 and stator mechanism 7 and first
The friction of cover 54, improves its sealing simultaneously, and described stator mechanism 7 and first rotates between inner cover 53 and the second rotation inner cover
Ceramic seal bearing 511 it is provided with between 54 and draft tube 6.
Explanation based on such scheme embodiment, described the most multistage in logical mixed-flow integrated water turbine generator acting
Process is: current enter from water inlet spiral case, guide through stator mechanism, flow into the first rotary impeller, and the first rotary impeller is strikeed back by hydraulic pressure
Rotating, current with certain speed, enter the second rotary impeller 52, drive the second rotary impeller 52 after the first rotary impeller flows out,
First rotary impeller 51 turns to contrary with the second rotary impeller 52, and drives the first generator excitation winding 31 and the second electromotor respectively
Exciting Windings for Transverse Differential Protection 41 rotates, and magnetic strength cuts the first generator armature winding 11 and the second generator armature winding 21 respectively, it is achieved double
Armature generates electricity；This kind of acting process, the spin eddy kinetic energy of its current is little, and water energy conversion ratio is high.
By the embodiment above, described the most multistage in the water energy transformation efficiency of logical mixed-flow integrated water turbine generator
Up to 96%, comparing tradition mixed-flow wheel TRT, efficiency can improve 7%.
Scheme two (as shown in Figure 4 and Figure 5): be with scheme one difference: in order to have more preferable water resistance, institute
State and outside ceramic seal bearing 511, be provided with the folding shape centrifugal drying waterside ring 512 cooperated, folding shape centrifugal drying waterside ring 512
Clearance aperture radially outward.
Scheme three (as shown in Figure 6): in order to preferably strengthen the water dumping effect of folding shape centrifugal drying waterside ring 512 and wear-resisting
Property, it is also equipped with resin wear ring 513 in described folding shape centrifugal drying waterside ring 512.
Scheme four (as shown in Figure 7): in order to realize stator mechanism 1 and the real-time dynamic monitoring of rotor mechanism 2, described solid
Infrared temperature measurement device 514 it is also equipped with in determining outer housing 55.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent,
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (6)
1. efficient multistage in a logical mixed-flow integrated water turbine generator, including the first stator mechanism (1), the second stator mechanism
(2), the first rotor mechanism (3), the second rotor mechanism (4), rotating wheel mechanisms that (5), draft tube (6), stator mechanism (7) and water inlet snail
Shell (8), rotating wheel mechanisms that (5) middle part water flowing, water inlet spiral case (8), stator mechanism (7), rotating wheel mechanisms that (5) and draft tube (6) are successively
Constitute the water stream channel sealed, it is characterised in that: rotating wheel mechanisms that (5) include the first rotary impeller (51), the second rotary impeller (52), the
One rotates inner cover (53), the second rotation inner cover (54) and stationary housings (55), and the lower ring excircle of the first rotary impeller (51) is fixed
Being connected on the inner periphery of the first rotation inner cover (53), the excircle of the second rotary impeller (52) is fixedly connected on the second rotation inner cover
(54) inner periphery, the blade axial angle of the first rotary impeller (51) is contrary with the blade axial angle of the second rotary impeller (52), and first
Rotary impeller (51) is contrary with the rotation direction of the second rotary impeller (52), and the first rotation inner cover (53) is same with the second rotation inner cover (54)
The upper and lower distribution of axle, stationary housings (55) be positioned at the first rotation inner cover (53) and second rotate inner cover (54) radial outside, first
Rotate inner cover (53), the second rotation inner cover (54) and stationary housings (55) and connect and compose the annular of closing by sealing bearing (56)
Cavity (57), the first stator mechanism (1) is coaxial with the second stator mechanism (2) consolidating of being arranged on the most side by side in toroidal cavity (57)
Determining outer housing (55) radial outside, the first rotor mechanism (3) is coaxial with the second rotor mechanism (4) arranged side by side up and down, matches respectively in the
Certain clamp mechanism (1) and the second stator mechanism (2), and first be separately mounted in toroidal cavity (57) rotate inner cover (53) and
Second rotates inner cover (54) radially inner side, and described first stator mechanism (1) includes the first generator armature winding (11) and first
The coaxial upper and lower annular spread arranged side by side of armature of exciter winding (12), the second stator mechanism (2) includes the second generator armature winding
(21) and the second coaxial upper and lower annular spread arranged side by side of armature of exciter winding (22), the first rotor mechanism (3) includes the first generating
Machine Exciting Windings for Transverse Differential Protection (31) and the coaxial upper and lower annular spread arranged side by side of the first exciter excitation winding (32), the second rotor mechanism (4) wraps
Include the second generator excitation winding (41) and the coaxial upper and lower annular spread arranged side by side of the second exciter excitation winding (42).
The most according to claim 1 the most multistage in logical mixed-flow integrated water turbine generator, it is characterised in that；Described
One rotates inner cover (53) is provided with the first conduction brush (58) at the joint gap of stationary housings (55), and second rotates inner cover (54)
Be provided with the second conduction brush (59) at the joint gap of stationary housings (55), the first rotor mechanism (3) and the second rotor mechanism
(4) it is conductively connected the external world by the first conduction brush (58) and the second conduction brush (59) respectively.
The most according to claim 2 the most multistage in logical mixed-flow integrated water turbine generator, it is characterised in that lead described in:
Leaf mechanism (7) and first rotates between inner cover (53) and is provided with ceramic close between the second rotation inner cover (54) and draft tube (6)
Envelope bearing (511).
The most according to claim 3 the most multistage in logical mixed-flow integrated water turbine generator, it is characterised in that: described pottery
Porcelain seals bearing (511) outside and is provided with folding shape centrifugal drying waterside ring (512) cooperated, folding shape centrifugal drying waterside ring
(512) clearance aperture is radially outward.
The most according to claim 4 the most multistage in logical mixed-flow integrated water turbine generator, it is characterised in that: described folding
Resin wear ring (513) it is also equipped with in shape centrifugal drying waterside ring (512).
The most according to claim 1 and 2 the most multistage in logical mixed-flow integrated water turbine generator, it is characterised in that: institute
Infrared temperature measurement device (514) it is also equipped with in stating stationary housings (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610468639.1A CN106050523A (en) | 2016-06-25 | 2016-06-25 | Efficient multistage middle-hollow mixed-flow type integrated hydro-generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610468639.1A CN106050523A (en) | 2016-06-25 | 2016-06-25 | Efficient multistage middle-hollow mixed-flow type integrated hydro-generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106050523A true CN106050523A (en) | 2016-10-26 |
Family
ID=57166196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610468639.1A Pending CN106050523A (en) | 2016-06-25 | 2016-06-25 | Efficient multistage middle-hollow mixed-flow type integrated hydro-generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106050523A (en) |
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2016
- 2016-06-25 CN CN201610468639.1A patent/CN106050523A/en active Pending
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Application publication date: 20161026 |