CN108412793A - AC transmission electric power locomotive traction ventilator and its locomotive - Google Patents
AC transmission electric power locomotive traction ventilator and its locomotive Download PDFInfo
- Publication number
- CN108412793A CN108412793A CN201810468338.8A CN201810468338A CN108412793A CN 108412793 A CN108412793 A CN 108412793A CN 201810468338 A CN201810468338 A CN 201810468338A CN 108412793 A CN108412793 A CN 108412793A
- Authority
- CN
- China
- Prior art keywords
- electric power
- deflector
- transmission electric
- centrifugal impeller
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 54
- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 238000009792 diffusion process Methods 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
Abstract
The present invention provides a kind of AC transmission electric power locomotive traction ventilator and its locomotives, including：Including：Main wind tube, guide shell, diffusion barrel, motor and centrifugal impeller are arranged guide shell in the first end of main wind tube, diffusion barrel are arranged in the second end of main wind tube；Motor is installed in main wind tube, and is drivingly connected with centrifugal impeller；Centrifugal impeller is contained in main wind tube, and close to guide shell；Centrifugal impeller includes air intake cover and multiple blades, and blade is drivingly connected with motor；The top of blade is inclined-plane；Air intake cover covers at the top of centrifugal impeller, and the inner wall of air intake cover is bonded with inclined-plane, and the top surface of air intake cover is connected with guide shell.The ventilation blower can obtain preferable supercharging effect under the premise of not increased in size.Another aspect of the present invention additionally provides the locomotive comprising the ventilation blower.
Description
Technical field
The present invention relates to field of fluid machinery, be specifically related to a kind of AC transmission electric power locomotive traction ventilator and its
Locomotive.
Background technology
Traction electric machine is the driving part of locomotive operation.When locomotive traction train fast running, the electricity inside traction electric machine
Magnet-wire will produce a large amount of heat by prodigious electric current because there are certain resistance for electromagnetic wire.To ensure the normal traction of locomotive
Work, prevents heat accumulation temperature from increasing damage motor, and locomotive need to configure ventilation blower and carry out that heat dissipation, mating ventilation blower is forced to claim
It is important component indispensable in locomotive for traction ventilator.
Since locomotive needs traction compartment as much as possible or reaches the speed of service as high as possible, therefore, it is desirable to use
Draft gear with traction power as big as possible.In order to reach this requirement, draft gear necessarily produces in distraction procedure
Raw more heats need the heat dissipation air quantity for generating bigger.And the inevitable increasing that can lead to aerated area resistance of increase of air quantity
Add, therefore wind turbine needs the pressure of bigger that could realize better heat dissipation.But existing locomotive can load capacity it is limited, when wind turbine produce
When raw larger pressure, vehicle is often unable to operate normally.
The space of installation wind turbine can be used limited additionally, due on locomotive, it is desirable that the size of wind turbine used cannot be excessive.But wind
Machine is undersized and can not effectively dispel generated excessive heat.And locomotive whole-vehicle dead weight also requires, thus cannot adopt
It is radiated with overweight wind turbine.Although existing traction ventilator can meet locomotive installation space appearance and size and weight is wanted
It asks, but since the limitation of rotating speed, flow and pressure are difficult to further be promoted, thus existing traction wind turbine cannot be satisfied locomotive more
Cooling requirements under the conditions of high driving power and higher speed.
Invention content
The purpose of the present invention is to provide a kind of AC transmission electric power locomotive traction ventilator, which solves existing
Under the premise of traction ventilator can not meet locomotive installation space appearance and size and complete vehicle weight requirement again, can not to locomotive compared with
The technical issues of excessive heat generated under the high speed of service is effectively radiated.
The present invention provides a kind of AC transmission electric power locomotive traction ventilator, including：Main wind tube, guide shell, diffusion barrel,
Motor and centrifugal impeller are arranged guide shell in the first end of main wind tube, diffusion barrel are arranged in the second end of main wind tube；
Motor is installed in main wind tube, and is drivingly connected with centrifugal impeller；
Centrifugal impeller is contained in main wind tube, and close to guide shell；
Centrifugal impeller includes air intake cover and multiple blades, and blade is drivingly connected with motor；
The top of blade is inclined-plane；Air intake cover covers at the top of centrifugal impeller, and the inner wall of air intake cover is bonded with inclined-plane, into
The top surface of fan housing is connected with guide shell.
Further, AC transmission electric power locomotive traction ventilator further includes frustum type air inlet structure, and air inlet structure holds
It is contained in guide shell, one end is docked with air intake cover.
Further, centrifugal impeller includes core wheel and drive disk, and core wheel is drivingly connected with motor, and drive disk is sheathed on core wheel
On, the bottom end of blade is connected with drive disk.
Further, centrifugal impeller further includes：Core wheel cylinder and reinforcing plate, core wheel jacket casing are set to the driving output shaft of motor
On, one end of reinforcing plate is connected with core wheel cylinder, and the other end is connected with blade.
Further, drive disk further includes stiffening plate and substrate, and substrate is sheathed on core wheel, and vertical core wheel extends shape
At；One end of stiffening plate is connected with the free end of substrate, and the vertical core wheel of the other end extends outwardly；32 vertical stiffening plate of blade with
Stiffening plate is connected
Further, wind gathering ring is arranged in the top of air intake cover, and one end of wind gathering ring is connected with guide shell；Guide shell and expansion
Scattered cylinder is frustum type cylinder；
AC transmission electric power locomotive traction ventilator further includes rate controlling unit, and rate controlling unit is connected with motor control.
Further, AC transmission electric power locomotive further includes with traction ventilator：Multiple deflectors, the side of deflector with
Motor is connected, and each deflector is arranged along the longitudinally-aligned blade of blade, and the outside of deflector and the inner wall of main wind tube fit.
Further, the radian of the longitudinal section of deflector is 200~250 °；The inner side edge of deflector includes connected first
Segmental arc and the second segmental arc, the first segmental arc is close to the top of deflector and to deflector internal projection, and the second segmental arc is to deflector evagination
It rises, the radian of the first segmental arc is 300~310 °；The radian of second segmental arc is 25~35 °.
Further, blade surrounds the first air duct with guide shell, and deflector surrounds the second air duct, the first air duct with main wind tube
It is connected with the second air duct.
Another aspect of the present invention additionally provides a kind of AC transmission electric power locomotive, includes such as above-mentioned AC Drive electric power
Locomotive traction ventilator.
The technique effect of the present invention：
AC transmission electric power locomotive traction ventilator provided by the invention passes through the two opposite ends difference in the first air duct
Cone cylinder is set, air velocity and diffusion can be accelerated, is fitted to the rotation of motor shaft end impeller, realizes and quickly improves air
Pressure, and it is effectively conveyed to the traction electric machine for needing ventilating and cooling, the pressure of air can be increased to above atmospheric pressure 5000Pa.
AC transmission electric power locomotive traction ventilator provided by the invention, impeller used use centrifugal impeller, can make wind
Machine generates higher pressure and flow, and has high intensity and rigidity, so that it is guaranteed that the reliability to run at high speed；And in each impeller
Oblique pull plate is set with plate connection, further improves the strength and stiffness of impeller, it is ensured that the reliability under high rotating speed, and carry
The sealing effect of high motor makes it highly reliable can run at high speed long-life.
AC transmission electric power locomotive traction ventilator provided by the invention is equipped with arcuate structure, and itself using side
Deflector with radian can effectively realize air-flow from impeller outlet throw away after water conservancy diversion, while the deflector also can be propped up effectively
Support motor.
AC transmission electric power locomotive traction ventilator provided by the invention, the high air quantity of pressure is big, light-weight, structure is tight
It gathers, is small, and can realizing the adjusting of various different flow pressure under the premise of being changed without hardware, meet different operating modes
It is required that.Meet the requirement of flow and pressure.
Specifically please refer to the various embodiments that AC transmission electric power locomotive traction ventilator according to the present invention proposes
It described below, will be apparent in terms of the above and other for making the present invention.
Description of the drawings
Fig. 1 is the broken section structural schematic diagram of AC transmission electric power locomotive traction ventilator provided by the invention；
Fig. 2 is the first air duct of wind turbine main view partial schematic sectional view in Fig. 1；
Fig. 3 is the broken section schematic front view of the centrifugal impeller in Fig. 1；
Fig. 4 is the deflector structure schematic diagram of Fig. 1, wherein a) be deflector section side schematic view；B) it is deflector
Schematic front view；
Marginal data：
1, the first air duct；2, air inlet structure；3, centrifugal impeller；4, the second air duct；5, motor；6, deflector；7, rate controlling list
Member；11, guide shell；12, main wind tube；13, box structure；14, diffusion barrel；31, air intake cover；32, blade；33, drive disk；34, add
Strong plate；35, core wheel.
Specific implementation mode
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.
Referring to Fig. 1 and 3, a kind of AC transmission electric power locomotive traction ventilator provided by the invention, including：Main wind tube
12, guide shell 11, diffusion barrel 14, motor 5 and centrifugal impeller 3, are arranged guide shell 11 in the first end of main wind tube 12, in second end
Diffusion barrel 14 is set；Motor 5 is installed in main wind tube 12, and is drivingly connected with centrifugal impeller 3；Centrifugal impeller 3 is contained in main wind
In cylinder 12, and close to guide shell 11；Centrifugal impeller 3 includes air intake cover 31 and multiple blades 32, and blade 32 connects with the driving of motor 5
It connects；The top of blade 32 is inclined-plane；Air intake cover 31 covers at the top of centrifugal impeller 3, and the inner wall of air intake cover 31 is bonded with inclined-plane,
The top surface of air intake cover 31 is connected with guide shell 11.
By using the air intake cover 31 that can be fitted with 32 top surface of blade, can water conservancy diversion preferably be carried out to air inlet, keep it most
It may fully enter in centrifugal impeller 3, air is effectively pressurized by the rotation of centrifugal impeller 3.
Preferably, wind gathering ring is arranged in the top of air intake cover 31, and one end of wind gathering ring is connected with guide shell 11.Pass through setting
It can improve the amount that air enters centrifugal impeller 3 with the wind gathering ring of 11 closed butt joint of guide shell, effectively realize high-efficient pressurizing.
Referring to Fig. 2, it is preferred that guide shell 11 and diffusion barrel 14 are frustum type cylinder.Using frustum type tube structure, energy
The preliminary supercharging to gas is realized in guide shell 11, and realizes the raising to the wind speed of gas by diffusion barrel 14, to real
Now efficient cooling.
Preferably, further include frustum type air inlet structure 2, air inlet structure 2 is contained in guide shell 11, one end and air intake cover 31
Docking.Air inlet structure 2 is the structure of approximate frustum, also primarily serves wind gathering and the effect of water conservancy diversion, is carried out for the supercharging of centrifugal impeller 3
Prepare.
Referring to Fig. 3, it is preferred that centrifugal impeller 3 includes core wheel 35 and drive disk 33, and core wheel 35 is drivingly connected with motor 5, is driven
Moving plate 33 is sheathed on core wheel 35, and the bottom end of blade 32 is connected with drive disk 33.By 33 driving blade 32 of drive disk, can keep away
Exempt from air constricted flow caused by 32 side of blade and core wheel 35 are connected directly, can not maximal efficiency performance supercharging effect
Problem.
Preferably, centrifugal impeller 3 further includes：Core wheel cylinder and reinforcing plate 34, core wheel jacket casing are set to the driving output shaft of motor 5
On, one end of reinforcing plate 34 is connected with core wheel cylinder, and the other end is connected with blade 32.It, can be effective by the way that reinforcing plate 34 is arranged
The intensity that blade 32 bears air pressure is improved, to realize that high pressure provides condition.
Preferably, drive disk 33 further includes stiffening plate and substrate, and substrate is sheathed on core wheel 35, and vertical core wheel 35 extends
It is formed；One end of stiffening plate is connected with the free end of substrate, and the vertical core wheel of the other end 35 extends outwardly；32 vertical reinforcement of blade
Plate is connected with stiffening plate.The fixation that blade 32 is realized by stiffening plate, can improve the reliability of blade 32, blade 32 is avoided to exist
It is deformed under high pressure.
Preferably, 32 thickness of blade is 2~7mm, and 33 thickness of drive disk is 5~10mm, and reinforcement plate thickness is 2~7mm.It presses
This thickness is arranged, and can preferably ensure the intensity of wind turbine.
Referring to Fig. 1, it is preferred that further include：The side of multiple deflectors 6, deflector 6 is connected with motor 5, each deflector
6 along blade 32 longitudinally-aligned blade 32 be arranged, the outside of deflector 6 and the inner wall of main wind tube 12 fit.It is specific real one
It applies in example, the axis of motor vertical 5 extends outward to form mounting plate on the top surface of motor 5, the inside of deflector 6 and mounting plate
Free end is connected.Mounting plate, which is arranged, can prevent the air being pressurized from entering between deflector 6 and motor 5.
Referring to Fig. 4 a), it is preferred that the radian of the longitudinal section of deflector 6 is 200~250 °.
Referring to Fig. 4 b) preferably, the inner side edge of deflector 6 includes connected the first segmental arc and the second segmental arc, the first segmental arc
Close to the top of deflector 6 and to 6 internal projection of deflector, the second segmental arc is to 6 outer lug of deflector, the radian of the first segmental arc
300~310 °；The radian of second segmental arc is 25~35 °.Using the segmental arc of the size, gained deflector 6 can preferable water conservancy diversion increasing
It calms the anger body, places pressurization gas pressure reduction during water conservancy diversion.
Preferably, blade 32 surrounds the first air duct 1 with guide shell 11, and deflector 6 surrounds the second air duct 4 with main wind tube 12,
First air duct 1 is connected with the second air duct 4.It can will enter the compression of centrifugal impeller 3 from the first air duct 1 by the way that deflector 6 is arranged
Gas, keep its pressure as far as possible is transmitted to the second air duct 4, leads to whole ventilation to avoid being arranged multiple centrifugal impellers 3
The excessive problem of machine weight.
Preferably, further include rate controlling unit 7, rate controlling unit 7 and the control connection of motor 5.Rate controlling unit 7 can regulation motor 5
Rotating speed to realize effective control to the pressure of supercharging.Rate controlling unit 7 can be set to the box structure of 12 outer wall of main wind tube
In 13, to increase the structural compactness of whole wind turbine.Rate controlling unit 7 can also realize that power supply hands over straight alternation to change the adjusting with frequency,
It controls wind turbine and realizes that high rotating speed and airflow pressure are adjusted.
Referring to Fig. 1, in a specific embodiment, a kind of AC transmission electric power locomotive traction ventilation provided by the invention
Machine includes the first air duct 1 of tyre box structure, is set to the air inlet structure 2 of air inlet region front end, from entering the wind area in the first air duct
The centrifugal impeller (3) that domain is set gradually to outlet air region, motor mounting plate and the second air duct (4) are arranged in the second air duct
Pot motor (5), the deflector being arranged between the first air duct and the second air duct (6), and it is mounted on the first air duct institute band
Box structure in rate controlling unit (7).The front end flange and rear end flanges outer diameter having the same in the first air duct of wind turbine, connection
Hole number and size are also identical.
1 has air inlet structure 2, centrifugal impeller (3) and the second air duct from inlet end to outlet side successively device in first air duct
(4), be equipped in the second air duct (4) for providing the pot motor (5) driven, the first air duct 1 and the second air duct 4 it
Between arrange and be used to support and the deflector of air conducting (6)；Centrifugal impeller (3) includes the core wheel 35 being connected on electric machine main shaft
And air intake cover 31, blade 32, drive disk 33 and the reinforcing plate 34 set gradually from the inlet end of impeller to outlet side, drive disk
33 include substrate and stiffening plate, ensures strength and stiffness of the centrifugal impeller (3) when running at high speed.In a kind of specific embodiment party
In formula, wind turbine centrifugal impeller (3) is welded using high-strength aluminum alloy, vane thickness 5mm, and driving disc thickness is 8mm, stiffening plate
Thickness is 5mm to ensure that wind turbine will not damage when rotating at high speed.
Preferably, the first air duct 1 includes the guide shell 11 in connection front end air inlet region, for installing the second air duct 4 and leading
The main wind tube 12 of flowing plate (6) connects the diffusion barrel 14 in rear end outlet air region, and outside is used to install the box structure 13 of rate controlling unit,
Box structure overall dimensions are less than main wind tube.
Preferably, it arranges and is used to support and the deflector of air conducting (6) between the first air duct 1 and the second air duct 4.Ginseng
See Fig. 4, in one embodiment, deflector (6) plate thickness direction has 215 ° of radian, while close to pot motor
(5) position is provided with the arc notch of R308.
Preferably, the guide shell 11, main wind tube 12 in the first air duct 1 including inlet end, outlet side diffusion barrel 14, Yi Jiyong
In the box structure 13 of installation rate controlling unit (7).
Preferably, the first air duct 1, the second air duct 4 and deflector (6) upper are matched radial and axial.
Another aspect of the present invention additionally provides a kind of AC transmission electric power locomotive, including such as above-mentioned AC Drive electric power machine
Automobile-used traction ventilator.
Fig. 1 is a kind of high-efficient axial centrifugal fan in an embodiment, it include the first air duct 1, air inlet structure 2,
Centrifugal impeller 3, the second air duct 4, motor 5, deflector 6, rate controlling unit 7.Air inlet structure 2 is installed on the first wind by installation bolt
The inlet end in road 1, air enter centrifugal impeller 3 from 2 water conservancy diversion of air inlet structure；Motor 5 is located inside the second air duct 4, passes through water conservancy diversion
Plate 6 is connect with the first air duct 1；Centrifugal impeller 3 is mounted on the output shaft of motor 5, adjusts air inlet structure 2 and centrifugal impeller 3
Gap, it is ensured that air enters receded disk impeller 3 according to rational streamline；Air is under the promotion of high-speed rotating centrifugal impeller 3
High speed circular motion generates pressure and rises, finally thrown away from impeller outlet side while speed is promoted；Deflector 6 is welded on
Between two air ducts 4 and the first air duct 1, upper part position is concordant with the front end in the second air duct 4, is left from 3 tangential direction of impeller
Air moves under the guiding of deflector 6 to motor axial direction, realizes that air forces flowing；After air enters the first air duct 1
After holding diffusion cone, speed starts to reduce, and pressure further increases.Motor 5 can be all kinds of common motors, preferably in an embodiment
In, rotating speed >=10000r/min of motor 5 used.Motor 5 under this rotating speed can preferably realize the supercharging to gas.
Using wind turbine provided by the invention especially suitable for being aerated cooling to AC transmission electric power locomotive traction electric machine.
First, can improve blower pressure and flow compared with using the wind turbine of common three phase alternating current motor, wind turbine of the invention uses higher
The motor of rotating speed is realized the higher rotating speed of motor by rate controlling unit, drives the receded disk impeller high speed rotation pair of centrifugal blower
Wind does work so that compressor flow provided by the invention is big and pressure is high；But due on locomotive space it is limited, utilize high rotating speed wind
Smaller impeller and the first air duct may be used in machine, saves space, reduces weight；Third, the wind turbine of the present invention, can pass through control
The software adjustment of fast unit realizes different high rotating speeds, meets the requirement of different operating modes.
In the present invention, the first, first air duct uses front and back pyramidal structure, front end guide shell that air-flow is made to be added in air intake
Speed, velocity gradient when to reduce into quick runner reduce flow losses；Rear end diffusion cone makes main wind tube high speed air-flow
Gradually slow down, dynamic pressure is efficiently converted into static pressure, promotes blower pressure.Second, centrifugal impeller uses arc formula blade, increases impeller
Acting to air-flow, effectively promotes blower pressure.Third needs higher strength and stiffness, in leaf since wheel speed improves
Reinforcing plate and stiffening plate are increased on wheel, the reinforcing plate close to core wheel can effectively improve strength and stiffness, while can reduce
The vortex of core wheel area of low pressure, stiffening plate effectively improve the rigidity of drive disk.4th, box structure is directly welded at the first air duct
Main wind tube on, using the first air duct main wind tube outer diameter be less than both ends pyramidal structure space, effectively reduce wind turbine entirety
Appearance and size.5th, the deflector designed between the second air duct and the first air duct, the high speed rotation that forced centrifugal impeller is thrown away
Air-flow reduces the windage loss between air-flow and air duct, and dynamic pressure is efficiently converted into static pressure to Radial Flow.
The first air duct 1 in the present invention, air inlet structure 2, the second air duct 4, deflector 6, difference according to requirements can
It is manufactured using Fine Steel Casting iron, corrosion-resistant stainless steel or high strength nonmetallic material, centrifugal impeller 3 is needed according to rotating speed using not
Same material, rotating speed can use high intensity carbon steel, rotating speed 5000r/min to 9000r/min that high intensity can be used less than 5000r/min
Aluminium alloy, more high-revolving impeller should use the alloy of higher intensity.
Those skilled in the art will be clear that the scope of the present invention is not limited to example discussed above, it is possible to be carried out to it
Several changes and modification, the scope of the present invention limited without departing from the appended claims.Although oneself is through in attached drawing and explanation
The present invention is illustrated and described in book in detail, but such illustrate and describe only is explanation or schematical, and not restrictive.
The present invention is not limited to the disclosed embodiments.
By to attached drawing, the research of specification and claims, those skilled in the art can be in carrying out the present invention
Understand and realize the deformation of the disclosed embodiments.In detail in the claims, term " comprising " is not excluded for other steps or element,
And indefinite article "one" or "an" be not excluded for it is multiple.The certain measures quoted in mutually different dependent claims
The fact does not mean that the combination of these measures cannot be advantageously used.Any reference marker in claims is not constituted pair
The limitation of the scope of the present invention.
Claims (10)
1. a kind of AC transmission electric power locomotive traction ventilator, which is characterized in that including：Main wind tube (12), guide shell (11),
Diffusion barrel (14), motor (5) and centrifugal impeller (3), setting guide shell (11), the master in the first end of the main wind tube (12)
Diffusion barrel (14) is set in the second end of air duct (12)；
The motor (5) is installed in the main wind tube (12), and is drivingly connected with the centrifugal impeller (3)；
The centrifugal impeller (3) is contained in the main wind tube (12), and close to the guide shell (11)；
The centrifugal impeller (3) includes air intake cover (31) and multiple blades (32), and the blade (32) drives with the motor (5)
Connection；
The top of the blade (32) is inclined-plane；The air intake cover (31) covers at the top of the centrifugal impeller (3), it is described into
The inner wall of fan housing (31) is bonded with the inclined-plane, and the top surface of the air intake cover (31) is connected with the guide shell (11).
2. AC transmission electric power locomotive traction ventilator according to claim 1, which is characterized in that the AC Drive
Use for electric locomotive traction ventilator further includes frustum type air inlet structure (2), and the air inlet structure (2) is contained in the guide shell
(11) in, one end is docked with the air intake cover (31).
3. AC transmission electric power locomotive traction ventilator according to claim 1, which is characterized in that the centrifugal impeller
(3) include core wheel (35) and drive disk (33), the core wheel (35) is drivingly connected with the motor (5), the drive disk (33)
It is sheathed on the core wheel (35), the bottom end of the blade (32) is connected with the drive disk (33).
4. AC transmission electric power locomotive traction ventilator according to claim 3, which is characterized in that the centrifugal impeller
(3) further include：Core wheel cylinder and reinforcing plate (34), the core wheel jacket casing are set on the driving output shaft of the motor (5), described to add
One end of strong plate (34) is connected with the core wheel cylinder, and the other end is connected with the blade (32).
5. AC transmission electric power locomotive traction ventilator according to claim 3, which is characterized in that the drive disk
(33) further include stiffening plate and substrate, the substrate is sheathed on the core wheel (35), and the vertical core wheel (35) extends shape
At；One end of the stiffening plate is connected with the free end of the substrate, and vertically the core wheel (35) extends outwardly the other end；Institute
The vertical stiffening plate of blade 32 is stated with the stiffening plate to be connected.
6. AC transmission electric power locomotive traction ventilator according to claim 1, which is characterized in that the air intake cover
(31) wind gathering ring is arranged in top, and one end of the wind gathering ring is connected with the guide shell (11)；The guide shell (11) and
The diffusion barrel (14) is frustum type cylinder；
The AC transmission electric power locomotive traction ventilator further includes rate controlling unit (7), the rate controlling unit (7) and the electricity
Machine (5) control connection.
7. according to AC transmission electric power locomotive traction ventilator according to any one of claims 1 to 6, which is characterized in that
The AC transmission electric power locomotive further includes with traction ventilator：Multiple deflectors (6), the side of the deflector (6) and institute
It states motor (5) to be connected, each deflector (6) is arranged along the longitudinally-aligned blade (32) of the blade (32), described
The outside of deflector (6) and the inner wall of the main wind tube (12) fit.
8. AC transmission electric power locomotive traction ventilator according to claim 7, which is characterized in that the deflector
(6) radian of longitudinal section is 200~250 °；The inner side edge of the deflector (6) includes connected the first segmental arc and the second arc
Section, first segmental arc close to the top of the deflector (6) and to the deflector (6) internal projection, second segmental arc to
The radian of deflector (6) outer lug, first segmental arc is 300~310 °；The radian of second segmental arc be 25~
35°。
9. AC transmission electric power locomotive traction ventilator according to claim 7, which is characterized in that the blade (32)
The first air duct (1) is surrounded with the guide shell (11), the deflector (6) surrounds the second air duct (4) with the main wind tube (12),
First air duct (1) is connected with second air duct (4).
10. a kind of AC transmission electric power locomotive, which is characterized in that passed including exchange such as according to any one of claims 1 to 9
Dynamic use for electric locomotive traction ventilator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810468338.8A CN108412793A (en) | 2018-05-16 | 2018-05-16 | AC transmission electric power locomotive traction ventilator and its locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810468338.8A CN108412793A (en) | 2018-05-16 | 2018-05-16 | AC transmission electric power locomotive traction ventilator and its locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108412793A true CN108412793A (en) | 2018-08-17 |
Family
ID=63139534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810468338.8A Pending CN108412793A (en) | 2018-05-16 | 2018-05-16 | AC transmission electric power locomotive traction ventilator and its locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412793A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339305A (en) * | 2021-07-16 | 2021-09-03 | 清远市精旺环保设备有限公司 | Waste residue is handled with dustproof air-blower of rotary kiln equipment |
| CN113490401A (en) * | 2021-08-24 | 2021-10-08 | 湖南联诚轨道装备有限公司 | Cooling device for hydrogen energy locomotive |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020110452A1 (en) * | 2000-09-29 | 2002-08-15 | Jurado Augusto Xavier | Ventilation system for electric-drive vehicle |
| CN2893240Y (en) * | 2006-05-19 | 2007-04-25 | 中国北车集团永济电机厂 | Diagonal flow ventilator |
| CN202768492U (en) * | 2012-06-21 | 2013-03-06 | 中国北车集团大连机车研究所有限公司 | Ventilator for electric locomotive |
| WO2013189138A1 (en) * | 2012-06-21 | 2013-12-27 | 中国北车集团大连机车研究所有限公司 | Ventilator for electrical locomotive |
| CN203685625U (en) * | 2014-02-25 | 2014-07-02 | 株洲联诚集团有限责任公司 | Cooling ventilator used for plateau electric locomotive traction motor |
| WO2014153748A1 (en) * | 2013-03-28 | 2014-10-02 | 无锡小天鹅股份有限公司 | Centrifugal fan and clothes dryer having same |
| CN105370600A (en) * | 2015-12-18 | 2016-03-02 | 中车大连机车研究所有限公司 | Centrifugal axial flow traction ventilator for electric locomotive |
| CN205101247U (en) * | 2015-10-30 | 2016-03-23 | 中南大学 | Oblique flow ventilation blower |
| CN106089767A (en) * | 2016-07-25 | 2016-11-09 | 中车大连机车车辆有限公司 | Locomotive is with big flow lightweight propeller fan |
| CN208578748U (en) * | 2018-05-16 | 2019-03-05 | 株洲联诚集团控股股份有限公司 | AC transmission electric power locomotive traction ventilator and its locomotive |
-
2018
- 2018-05-16 CN CN201810468338.8A patent/CN108412793A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020110452A1 (en) * | 2000-09-29 | 2002-08-15 | Jurado Augusto Xavier | Ventilation system for electric-drive vehicle |
| CN2893240Y (en) * | 2006-05-19 | 2007-04-25 | 中国北车集团永济电机厂 | Diagonal flow ventilator |
| CN202768492U (en) * | 2012-06-21 | 2013-03-06 | 中国北车集团大连机车研究所有限公司 | Ventilator for electric locomotive |
| WO2013189138A1 (en) * | 2012-06-21 | 2013-12-27 | 中国北车集团大连机车研究所有限公司 | Ventilator for electrical locomotive |
| WO2014153748A1 (en) * | 2013-03-28 | 2014-10-02 | 无锡小天鹅股份有限公司 | Centrifugal fan and clothes dryer having same |
| CN203685625U (en) * | 2014-02-25 | 2014-07-02 | 株洲联诚集团有限责任公司 | Cooling ventilator used for plateau electric locomotive traction motor |
| CN205101247U (en) * | 2015-10-30 | 2016-03-23 | 中南大学 | Oblique flow ventilation blower |
| CN105370600A (en) * | 2015-12-18 | 2016-03-02 | 中车大连机车研究所有限公司 | Centrifugal axial flow traction ventilator for electric locomotive |
| CN106089767A (en) * | 2016-07-25 | 2016-11-09 | 中车大连机车车辆有限公司 | Locomotive is with big flow lightweight propeller fan |
| CN208578748U (en) * | 2018-05-16 | 2019-03-05 | 株洲联诚集团控股股份有限公司 | AC transmission electric power locomotive traction ventilator and its locomotive |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339305A (en) * | 2021-07-16 | 2021-09-03 | 清远市精旺环保设备有限公司 | Waste residue is handled with dustproof air-blower of rotary kiln equipment |
| CN113490401A (en) * | 2021-08-24 | 2021-10-08 | 湖南联诚轨道装备有限公司 | Cooling device for hydrogen energy locomotive |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4656831B2 (en) | Engine cooling fan with improved airflow characteristics | |
| CN105443417B (en) | Compound cooling blower | |
| CN105156346A (en) | Axial centrifugal fan | |
| CN105370600A (en) | Centrifugal axial flow traction ventilator for electric locomotive | |
| CN111894872A (en) | Two-stage booster-type low noise fan | |
| CN101963157B (en) | High total pressure large-flow wheel disk side beveling type back-ward impeller fan | |
| CN108412793A (en) | AC transmission electric power locomotive traction ventilator and its locomotive | |
| CN205371033U (en) | Electric locomotive pulls ventilation blower with centrifugal axial compressor | |
| CN201443527U (en) | Energy-saving silencing centrifugal fan | |
| CN208578748U (en) | AC transmission electric power locomotive traction ventilator and its locomotive | |
| CN101586572A (en) | Energy-saving muffling centrifugal fan | |
| CN209925295U (en) | Fin-shaped bionic noise-reduction centrifugal fan | |
| CN203362556U (en) | Cooling fan for 220T electric-wheel mine dump truck | |
| CN203685625U (en) | Cooling ventilator used for plateau electric locomotive traction motor | |
| CN110529414A (en) | A kind of Centrafugal pipeline fan | |
| CN209145931U (en) | The AC transmission electric power locomotive integrated axial centrifugation traction ventilator of frequency conversion | |
| CN216044517U (en) | Low-noise cooling fan for cooling tower of electric locomotive | |
| CN202531484U (en) | Two-stage axial flow ventilation fan | |
| CN207246060U (en) | A kind of 200km/h electric locomotive traction motors cooling fan | |
| CN105673557A (en) | Centrifugal fan device of large-discharge-capacity oilless air compressor of rail transit and mounting method thereof | |
| CN220286035U (en) | Improved semi-open centrifugal impeller and automobile air conditioner fan using same | |
| CN205578343U (en) | Big discharge capacity oil -free air compressor's of track traffic centrifugal fan | |
| CN217633008U (en) | Narrow casing high pressure coefficient transformer fan | |
| CN206478738U (en) | A kind of ducting assembly | |
| CN206478739U (en) | A kind of ducting assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240315 Address after: No. 66 and 68 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province, 412000 Applicant after: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd. Country or region after: China Address before: 412001 Hunan Province, Zhuzhou Shifeng District Tian Xin North Gate Applicant before: ZHUZHOU LINCE GROUP Co.,Ltd. Country or region before: China Applicant before: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd. |
|
| TA01 | Transfer of patent application right |