CN106014804A - Suspension type efficient excitation flush inclined-jet hydraulic generator and acting method thereof - Google Patents

Suspension type efficient excitation flush inclined-jet hydraulic generator and acting method thereof Download PDF

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Publication number
CN106014804A
CN106014804A CN201610468865.XA CN201610468865A CN106014804A CN 106014804 A CN106014804 A CN 106014804A CN 201610468865 A CN201610468865 A CN 201610468865A CN 106014804 A CN106014804 A CN 106014804A
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excitation
generating
tiltedly
winding
blade
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CN201610468865.XA
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Chinese (zh)
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郭远军
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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
    • F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
    • 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
    • F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
    • F03B1/04—Nozzles; Nozzle-carrying members
    • 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
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • 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 a suspension type efficient excitation flush inclined-jet hydraulic generator and an acting method thereof. The suspension type efficient excitation flush inclined-jet hydraulic generator comprises a power generating mechanism, an excitation mechanism, an inclined-jet impeller mechanism and a rotary shaft mechanism. The inclined-jet impeller mechanism comprises inclined-jet blades, an annular inner cover and an annular outer cover. The inclined-jet blades are circularly distributed on the outer side of the annular outer cover. The annular outer cover and the annular inner cover are connected through a sealing bearing to form a sealed annular cavity. The power generating mechanism and the excitation mechanism are coaxially installed in the annular cavity in an inside-outside mode side by side. The rotary shaft mechanism and the annular inner cover are coaxially and fixedly connected. The upper portion of the annular inner cover is fixed to a suspension tubular arm. The suspension type efficient excitation flush inclined-jet hydraulic generator is good in universality, long in service life, high in power generation efficiency and low in construction cost and production and management cost.

Description

A kind of suspension efficient excitation paperback inclined beating type hydro-turbo generator and work method thereof
Technical field
The present invention relates to hydroelectric facility field, particularly relate to a kind of suspension efficient excitation paperback inclined beating type hydro-turbo generator and work method thereof.
Background technology
Hydroturbine generator can be divided into impulse turbine and the big class of reaction turbine two by operation principle.The runner of impulse turbine is rotated by the impact of current, and in work process, the pressure of current is constant, mainly the conversion of kinetic energy；The runner of reaction turbine is rotated by the counteracting force of current in water, in work process current pressure can and kinetic energy all 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 is less, is relatively suitable for the generating place of low discharge high water head.Impulse turbine, can be divided into the formula of hitting of cutting (also known as bucket-type) and tilt-impulse type two class by the flow direction of current, and 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 it is relatively small to run water wheels rotating speed.
Inclined-jet turbine, owing to its vane stress is less relative to the vane stress of tangential wheel, the material of blade and manufacturing process are required relatively low and stable, noise is little, overall cost performance is higher, is deeply liked by domestic and international small hydropower station enterprise.
But, problem existing for existing inclined-jet turbine is: 1) impeller of the hydraulic turbine need to be by longer transmission shaft driven with electromotor and excitation electromotor, and generally, installation for the ease of power transmission shaft is changed, power transmission shaft junction can use Flange joint, simultaneously in order to maintain power transmission shaft stable rotation, avoid bias, multiple bearing can be set in the junction of rotating shaft and middle part, this frame mode very consumptive material, and eccentric rotary the most easily occurs in rotating shaft, it is easily caused and electromotor is caused damage；2) electromotor and the exciter of existing hydroturbine generator can produce substantial amounts of used heat (mainly being produced by heavy current in wire) at work, need special heat radiation is installed, cooling system, work as heat radiation, when cooling system goes wrong, it is easily caused movement to burn out, even if under cooling system normally works, owing to stator and rotor are interior, outer layer is distributed, it is positioned at used heat that the rotor of internal layer produces and need to be transmitted to the external world by stator and rotor every space gap layer, little every the heat conduction rate of space gap layer, the bigger temperature difference is there is in internal layer rotor with outer layer stator, internal layer rotor easily burns；3) generating efficiency of existing inclined-jet turbine is the most on the low side, and the ideal efficiency wherein done is only 80% to 84%；4) existing often group hydrogenerator is all the customization machine for different terrain, causes raw material, assembly, wire rod and the parts can not be general, it is impossible to enough batch productions；5) needing to bear the stress of higher temperature or bigger due to the parts such as the stator in hydrogenerator, rotor, salient pole, power transmission shaft, the parts such as its stator, rotor, salient pole, power transmission shaft require height to the strength of materials；6) magnetic pole of Exciting Windings for Transverse Differential Protection is only capable of utilizing a wherein magnetic pole, and excitation efficiency is relatively low, and excitation energy consumption is bigger.
Due to above-mentioned factor, in power plant construction, Power Plant Design is more complicated, infrastructure project amount is relatively big, and equipment conveying, installation cost are higher；And the parts such as its stator, rotor, salient pole, power transmission shaft require height to the strength of materials；The problems referred to above cause bigger input cost and production management's cost to the construction of small hydropower station, and production capacity is less, and the small-sized available hydraulic power potentials of part is wasted.
In addition, the mode of work-doing of existing inclined-jet turbine is all: nozzle is perpendicular to the radial manner of turbine blade, certain inclination angle is there is in the high-velocity flow of nozzle with the inletpiston of folding shape blade, high-velocity flow enters along inletpiston, and flow through the folding shape face of blade, being delivered on blade by its kinetic energy, last current go out from water outlet surface current；This kind of mode of work-doing, its current complementary energy flowed out is relatively big, and water flow dynamic energy transformation efficiency is on the low side；And kinetic energy loss is relatively big in the transmission process of its kinetic energy, generating efficiency is on the low side.
Summary of the invention
The technical problem to be solved is: 1) in existing hydroturbine generator, power transmission shaft and bearing are owing to stress is relatively big, friction product temperature is higher, and its loss is bigger；2) electromotor and the exciter of existing hydroturbine generator can produce substantial amounts of used heat at work, needs to install special cooling system, and the cooling effect of its cooling system is not good enough, easily burn movement；3) efficiency of existing inclined-jet turbine is on the low side；4) existing hydrogenerator is all the customization machine for different terrain, and volume exists larger difference, it is impossible to enough batch productions；5) parts such as the stator in hydrogenerator, rotor, salient pole, power transmission shaft require height to the strength of materials；6) excitation field utilization ratio is low.
It is: a kind of suspension efficient excitation paperback inclined beating type hydro-turbo generator including generating mechanism, excitation mechanism, tiltedly to hit impeller mechanism, rotating shaft mechanism, column pipe arm and nozzle for solving its technical problem the technical solution adopted in the present invention；
It is characterized in that: tiltedly hit impeller mechanism and include tiltedly hitting blade, annular outer housing and annular inner cover, tiltedly hit blade annular and be distributed in outside annular outer housing, annular outer housing and annular inner cover connect and compose the toroidal cavity of closing by sealing bearing, generating mechanism and excitation mechanism coaxially inside and outside be arranged on side by side in toroidal cavity, rotating shaft mechanism is fixing with annular inner cover coaxial line to be connected, annular inner cover is fixed on column pipe arm, and nozzle is arranged on and tiltedly hits above blade；
Generating mechanism includes generate electricity Exciting Windings for Transverse Differential Protection, the first generating armature winding and the second generating armature winding, and excitation mechanism includes exciter excitation winding, the first armature of exciter winding and the second armature of exciter winding；
First generating armature winding, generating Exciting Windings for Transverse Differential Protection and the second generating armature winding coaxial upper, middle and lower layer distribution；
Generating Exciting Windings for Transverse Differential Protection and exciter excitation winding are coaxially mounted to the middle part of annular inner cover, and generating Exciting Windings for Transverse Differential Protection is positioned at the outside of exciter excitation winding；
First armature of exciter winding and the first generating coaxial medial and lateral of armature winding are arranged on the upper side in annular outer housing；
Second armature of exciter winding and the second generating coaxial medial and lateral of armature winding are arranged on the downside in annular outer housing.
Rotating shaft mechanism includes that rotating shaft post, conductive core and brush ring, multipair conductive core mutually insulated are sealingly mounted in rotating shaft post, and multipair brush ring is arranged on the upper end cylinder of rotating shaft post.
The middle through-hole spline connection rotating shaft post of annular outer housing, the excitation power pole of generating Exciting Windings for Transverse Differential Protection and the excitation power pole of exciter excitation winding are conductively connected external power pole by conductive core respectively, and the first armature of exciter winding, the second armature of exciter winding, the first generating armature winding and the second generating armature winding are conductively connected output electrode by brush ring.
As optimizing further, in order to strengthen waterproof effect, being provided with sealing lid below annular inner cover, seal cap sealing fixes the downside median plane being sealed on annular outer housing.
As optimizing further, in order to have more preferable water resistance, described annular outer housing and annular inner cover edge are 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, in the ring of described folding shape centrifugal drying waterside, it is also equipped with resin wear ring.
As optimizing further, the described impeller mechanism that tiltedly hits is horizontally mounted, tiltedly hit blade horizontal distribution, nozzle is arranged on and tiltedly hits above blade, nozzle spray direction is towards tiltedly hitting blade, nozzle with tiltedly hit Leaf positional distribution face and there is certain inclination angle, its inclination angle is at 20 ° to 30 °, and nozzle is 45 ° to 55 ° with the angle of the radial direction tiltedly hitting blade；Using this kind of frame mode, its stable electric generation efficiency between 86% to 92%, can be compared the stable electric generation efficiency of tradition inclined beating type hydro-turbo generator and improve about 6%.
Based on technical scheme described above, the work method of its suspension efficient excitation paperback inclined beating type hydro-turbo generator is: described suspension efficient excitation paperback inclined beating type hydro-turbo generator tiltedly hit blade horizontal distribution, nozzle is arranged on and tiltedly hits above blade, nozzle spray direction is towards tiltedly hitting blade, nozzle with tiltedly hit Leaf positional distribution face and there is certain inclination angle, its inclination angle is at 20 ° to 30 °, and nozzle is 45 ° to 55 ° with the angle of the radial direction tiltedly hitting blade.
Use this kind of mode of work-doing, the current of its nozzle ejection progressively flow to radially inner side from the radial outside tiltedly hitting blade, and persistently blade is exerted a force, until flowing out below the radially inner side tiltedly hitting blade, the current complementary energy flowed out can be close to 8% to 14%, its kinetic energy transformation efficiency is up to 86% to 92%, and the stable kinetic energy transformation efficiency comparing tradition inclined beating type hydro-turbo generator improves about 6% to 12%.
Operation principle: the described suspension of this invention efficient excitation paperback inclined beating type hydro-turbo generator, during work, nozzle is to tiltedly hitting blade jet water course, drive and tiltedly hit impeller mechanism rotation, and drive the first generating armature winding and the second generating armature winding, and first armature of exciter winding and the second armature of exciter winding rotate, first armature of exciter winding and the second armature of exciter winding, produce alternating current, and the rectifying installation in the external world it is transmitted to by conductive core and brush ring, by producing constant-pressure stable direct current after extraneous rectifying installation rectification, it is transmitted to the Exciting Windings for Transverse Differential Protection that generates electricity again by also brush ring and conductive core, generating Exciting Windings for Transverse Differential Protection is made to produce magnetic field, the magnetic field of cutting generating armature winding when rotating at the first generating armature winding and the second generating armature winding, make the first generating armature winding and the second generating armature winding output electric current.
This suspension efficient excitation paperback inclined beating type hydro-turbo generator, owing to generating mechanism and excitation mechanism are arranged in annular inner cover and annular outer housing, the used heat that power generation operation process produces can directly lead to and tiltedly hits vane heat dissipating in current, effectively eliminate special cold true cooling system, also eliminate power transmission shaft parts simultaneously, enormously simplify the structure and material of hydroturbine generator.
Beneficial effect: suspension of the present invention efficient excitation paperback inclined beating type hydro-turbo generator, relative to existing hydroturbine generator, its generating mechanism and excitation mechanism are directly installed on and tiltedly hit in impeller mechanism, achieve wheel mechanism with generating mechanism, excitation mechanism integrated, power transmission, without by transmission shaft driven, can effectively avoid power transmission shaft eccentricity issues；Relative to traditional rotor structure pattern, the conduction of its heat without by between rotor and stator every dead level, its generating mechanism used heat can be prevented effectively from the problem burning movement directly by tiltedly hitting vane heat dissipating in current, increase the service life of equipment.
It addition, suspension of the present invention efficient excitation paperback inclined beating type hydro-turbo generator enormously simplify the structure and material of hydroturbine generator, equipment is integrated, and reduces equipment volume largely；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.
Additionally, due to the magnetic flux of the two of generator excitation winding magnetic poles is all used in cutting generator armature winding, under equal exciting current, the relatively conventional excitation mode of excitation efficiency doubles.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the present invention program one；
Fig. 2 is the horizontal cross-sectional structural representation of the Exciting Windings for Transverse Differential Protection place plane of the present invention program one；
Fig. 3 is the horizontal cross-sectional structural representation of the armature winding place plane of the present invention program one；
Fig. 4 is the vertical transverse sectional structure schematic diagram of the present invention program one；
Fig. 5 is the vertical transverse sectional structure schematic diagram of the present invention program two；
Fig. 6 is to roll over shape centrifugal drying waterside ring structure enlarged diagram in the present invention program two；
Fig. 7 is to roll over shape centrifugal drying waterside ring structure enlarged diagram in the present invention program three；
In figure: 1 is generating mechanism, 11 is generating Exciting Windings for Transverse Differential Protection, 12 is generating armature winding, 13 is the second generating armature winding, 2 is excitation mechanism, 21 is exciter excitation winding, 22 is the first armature of exciter winding, 23 is the second armature of exciter winding, 3 for tiltedly hitting impeller mechanism, 31 for tiltedly hitting blade, 32 is annular outer housing, 33 is annular inner cover, 34 for sealing bearing, 35 is toroidal cavity, 36 for sealing lid, 37 is folding shape centrifugal drying waterside ring, 38 is resin wear ring, 4 is rotating shaft mechanism, 41 is rotating shaft post, 42 is conductive core, 43 is brush ring, 5 is column pipe arm, 6 is nozzle.
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 clearly and completely described；Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Scheme one (as shown in Figures 1 to 4): a kind of suspension efficient excitation paperback inclined beating type hydro-turbo generator, including generating mechanism 1, excitation mechanism 2, tiltedly hits impeller mechanism 3 and rotating shaft mechanism 4；The described impeller mechanism 3 that tiltedly hits includes tiltedly hitting blade 31, annular outer housing 32 and annular inner cover 33, tiltedly hit blade 31 annular spread outside annular outer housing 32, annular outer housing 32 and annular inner cover 33 connect and compose the toroidal cavity 35 of closing by sealing bearing 34, being arranged on side by side in toroidal cavity 35 inside and outside generating mechanism 1 is coaxial with excitation mechanism 2, rotating shaft mechanism 4 is fixing with annular inner cover 33 coaxial line to be connected；Described generating mechanism 1 includes generate electricity Exciting Windings for Transverse Differential Protection the 11, first generating armature winding 12 and the second generating armature winding 13, and excitation mechanism 2 includes exciter excitation winding the 21, first armature of exciter winding 22 and the second armature of exciter winding 23；First generating armature winding 12, generating Exciting Windings for Transverse Differential Protection 11 and the second generating armature winding 13 coaxial upper, middle and lower layer distribution；Generating Exciting Windings for Transverse Differential Protection 11 and exciter excitation winding 21 are coaxially mounted to the middle part of annular inner cover 32, generating Exciting Windings for Transverse Differential Protection 11 is positioned at the outside of exciter excitation winding 21, first armature of exciter winding 22 and the first generating coaxial medial and lateral of armature winding 12 are arranged on the upper side in annular outer housing 33, and the second armature of exciter winding 23 and the second generating coaxial medial and lateral of armature winding 13 are arranged on the downside in annular outer housing 33；Described rotating shaft mechanism 4 includes that rotating shaft post 41, conductive core 42 and brush ring 43, multipair conductive core 42 mutually insulated are sealingly mounted in rotating shaft post 41, and multipair brush ring 43 is arranged on the cylinder of rotating shaft post 41 upper end；The middle through-hole of annular outer housing 32 is sealedly and fixedly connected rotating shaft post 41 lower end, the excitation power pole of generating Exciting Windings for Transverse Differential Protection 11 and the excitation power pole of exciter excitation winding 21 are conductively connected external power pole by conductive core 42 respectively, and first armature of exciter winding the 22, second armature of exciter winding the 23, first generating armature winding 12 and the second generating armature winding 13 are conductively connected output electrode by brush ring 43；Annular inner cover 33 is fixed on column pipe arm 5, rotating shaft post 41 upper end interior conduit by column pipe arm 5.
As being further elaborated with of above-mentioned embodiment, below described annular inner cover 33, it is provided with sealing lid 36, seals the lid 36 fixing downside median plane being sealed on annular outer housing 32 of sealing.
By the suspension of above-mentioned embodiment efficient excitation paperback inclined beating type hydro-turbo generator, its work method is: the impeller mechanism 3 that tiltedly hits of described suspension efficient excitation paperback inclined beating type hydro-turbo generator is horizontally mounted, tiltedly hit blade 31 horizontal distribution, nozzle 6 is arranged on and tiltedly hits above blade 31, nozzle 6 water spraying direction is towards tiltedly hitting blade 31, nozzle 6 with tiltedly hit blade 31 and be distributed face and there is certain inclination angle, its inclination angle is 20 °, and nozzle 6 is 45 ° with the angle of the radial direction tiltedly hitting blade 31.
By such scheme one embodiment, the stable electric generation efficiency of described suspension efficient excitation paperback inclined beating type hydro-turbo generator is up to 86%, and the stable electric generation efficiency comparing tradition inclined beating type hydro-turbo generator improves 6%.
Scheme two (as shown in Figure 5 and Figure 6): be with scheme one difference: in order to have more preferable water resistance, described annular outer housing 32 and annular inner cover 33 edge are provided with the folding shape centrifugal drying waterside ring 37 cooperated, and the clearance aperture of folding shape centrifugal drying waterside ring 37 is radially outward.
Scheme three (as shown in Figure 7): be with scheme one difference: in order to preferably strengthen water dumping effect and the wearability of folding shape centrifugal drying waterside ring 37, be also equipped with resin wear ring 38 in described folding shape centrifugal drying waterside ring 37.
Scheme four: be with scheme one difference: described nozzle 6 is with tiltedly to hit blade 31 and be distributed the inclination angle in face be 25 °, and nozzle 6 is 50 ° with the angle of the radial direction tiltedly hitting blade 31；Using this kind of frame mode, its stable electric generation efficiency is up to 92%, and the stable electric generation efficiency comparing tradition inclined beating type hydro-turbo generator improves about 12%.
Scheme five: be with scheme one difference: described nozzle 6 is with tiltedly to hit blade 31 and be distributed the inclination angle in face be 30 °, and nozzle 6 is 55 ° with the angle of the radial direction tiltedly hitting blade 31；Using this kind of frame mode, its stable electric generation efficiency is up to 89%, and the stable electric generation efficiency comparing tradition inclined beating type hydro-turbo generator improves about 9%.
Last it is noted that the foregoing is only the preferred embodiments of the present invention; it is not limited to the present invention; although the present invention being described in detail with reference to previous embodiment; for a person skilled in the art; technical scheme described in foregoing embodiments still can be modified by it; or wherein portion of techniques feature is carried out equivalent; all within the spirit and principles in the present invention; the any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (7)

  1. null1. a suspension efficient excitation paperback inclined beating type hydro-turbo generator，Including generating mechanism (1)、Excitation mechanism (2)、Tiltedly hit impeller mechanism (3)、Rotating shaft mechanism (4)、Column pipe arm (5) and nozzle (6)，It is characterized in that: tiltedly hit impeller mechanism (3) and include tiltedly hitting blade (31)、Annular outer housing (32) and annular inner cover (33)，Tiltedly hit blade (31) annular spread in annular outer housing (32) outside，Annular outer housing (32) and annular inner cover 33 connect and compose the toroidal cavity (35) of closing by sealing bearing (34)，It is arranged on side by side inside and outside generating mechanism (1) is coaxial with excitation mechanism (2) in toroidal cavity (35)，Rotating shaft mechanism (4) is fixing with annular inner cover (33) coaxial line to be connected，Generating mechanism (1) includes the Exciting Windings for Transverse Differential Protection (11) that generates electricity、First generating armature winding (12) and the second generating armature winding (13)，Excitation mechanism (2) includes exciter excitation winding (21)、First armature of exciter winding (22) and the second armature of exciter winding (23)，First generating armature winding (12)、In generating Exciting Windings for Transverse Differential Protection (11) and the second generating armature winding (13) coaxially、In、Lower floor is distributed，Generating Exciting Windings for Transverse Differential Protection (11) and exciter excitation winding (21) are coaxially mounted to the middle part of annular inner cover (32)，Generating Exciting Windings for Transverse Differential Protection (11) is positioned at the outside of exciter excitation winding (21)，In first armature of exciter winding (22) and the first generating armature winding (12) coaxially、Outside is arranged on the upper side in annular outer housing (33)，In second armature of exciter winding (23) and the second generating armature winding (13) coaxially、Outside is arranged on the downside in annular outer housing (33),The top of annular inner cover (33) is fixed on column pipe arm (5)，Rotating shaft mechanism (4) is through the interior conduit of column pipe arm (5)，Nozzle (6) is arranged on and tiltedly hits blade (31) top.
  2. nullSuspension the most according to claim 1 efficient excitation paperback inclined beating type hydro-turbo generator，It is characterized in that: described rotating shaft mechanism (4) includes rotating shaft post (41)、Conductive core (42) and brush ring (43)，Multipair conductive core (42) mutually insulated is sealingly mounted in rotating shaft post (41)，Multipair brush ring (43) is arranged on the cylinder of rotating shaft post (41)，Middle through-hole spline connection rotating shaft post (41) of annular outer housing (3)，The excitation power pole of generating Exciting Windings for Transverse Differential Protection (11) is conductively connected external power pole by conductive core (42) respectively with the excitation power pole of exciter excitation winding (21)，First armature of exciter winding (22)、Second armature of exciter winding (23)、First generating armature winding (12) and the second generating armature winding (13) are conductively connected output electrode by brush ring (43).
  3. Suspension the most according to claim 2 efficient excitation paperback inclined beating type hydro-turbo generator, it is characterized in that: described annular inner cover (33) lower section is provided with sealing lid (36), seal lid (36) and seal the fixing downside median plane being sealed on annular outer housing (32).
  4. Suspension the most according to claim 3 efficient excitation paperback inclined beating type hydro-turbo generator, it is characterized in that: described annular outer housing (32) is provided with, with annular inner cover (33) edge, folding shape centrifugal drying waterside ring (37) cooperated, and the clearance aperture of folding shape centrifugal drying waterside ring (37) is radially outward.
  5. Suspension the most according to claim 4 efficient excitation paperback inclined beating type hydro-turbo generator, it is characterised in that: it is also equipped with resin wear ring (38) in described folding shape centrifugal drying waterside ring (37).
  6. 6. according to the suspension efficient excitation paperback inclined beating type hydro-turbo generator described in claim 1 or 2 or 3 or 4, it is characterized in that: the described impeller mechanism (3) that tiltedly hits is horizontally mounted, tiltedly hit blade (31) horizontal distribution, nozzle (6) is arranged on and tiltedly hits blade (31) top, nozzle (6) water spraying direction is towards tiltedly hitting blade (31), nozzle (6) with tiltedly hit blade (31) distribution face and there is certain inclination angle, its inclination angle is at 20 ° to 30 °, and nozzle (6) is 45 ° to 55 ° with the angle of the radial direction tiltedly hitting blade (31).
  7. 7. the work method of a suspension efficient excitation paperback inclined beating type hydro-turbo generator, it is characterized in that: described suspension efficient excitation paperback inclined beating type hydro-turbo generator tiltedly hit blade (31) horizontal distribution, nozzle (6) is arranged on and tiltedly hits blade (31) top, nozzle (6) water spraying direction is towards tiltedly hitting blade (31), nozzle (6) with tiltedly hit blade (31) distribution face and there is certain inclination angle, its inclination angle is at 20 ° to 30 °, and nozzle (6) is 45 ° to 55 ° with the angle of the radial direction tiltedly hitting blade (31).
CN201610468865.XA 2016-06-25 2016-06-25 Suspension type efficient excitation flush inclined-jet hydraulic generator and acting method thereof Withdrawn CN106014804A (en)

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Application Number Priority Date Filing Date Title
CN201610468865.XA CN106014804A (en) 2016-06-25 2016-06-25 Suspension type efficient excitation flush inclined-jet hydraulic generator and acting method thereof

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Application Number Priority Date Filing Date Title
CN201610468865.XA CN106014804A (en) 2016-06-25 2016-06-25 Suspension type efficient excitation flush inclined-jet hydraulic generator and acting method thereof

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