CN209145931U - The AC transmission electric power locomotive integrated axial centrifugation traction ventilator of frequency conversion - Google Patents
The AC transmission electric power locomotive integrated axial centrifugation traction ventilator of frequency conversion Download PDFInfo
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- CN209145931U CN209145931U CN201822000597.6U CN201822000597U CN209145931U CN 209145931 U CN209145931 U CN 209145931U CN 201822000597 U CN201822000597 U CN 201822000597U CN 209145931 U CN209145931 U CN 209145931U
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- frequency conversion
- ventilation road
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- impeller
- frequency
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Abstract
The utility model provides a kind of AC transmission electric power locomotive frequency conversion integrated axial centrifugation traction ventilator, main ventilation road including tyre frequency converter mounting base, be set to ventilation blower upper end air inlet, set gradually from air inlet region to outlet air region in main ventilation road with impeller, motor support plate and the secondary ventilation road of small exit installation angle arc shaped blade, the transducer drive motor being arranged in secondary ventilation road, arc-shaped guide vane and frequency conversion control unit；Impeller with small exit installation angle arc shaped blade generates defined pressure and flow velocity in which can make Efficient air rate, and has sufficient intensity and rigidity, it is ensured that the reliability of transducer drive frequency modulation cycle operation；Driving frequency converter includes the radiator for providing the straight alternating flow functional module group sum aggregate of friendship of Fast transforms supply frequency for motor and becoming a common practice between owner's ventilating duct and secondary ventilation road.Blower provided by the utility model has the characteristics that effectively to convey stable air, improve the heat-sinking capability of frequency converter and adjust revolving speed on demand.
Description
Technical field
The utility model relates to field of fluid machinery, particularly, it is integrated to be related to a kind of AC transmission electric power locomotive frequency conversion
Axial centrifugation traction ventilator.
Background technique
Traction electric machine driving power locomotive orbits, and traction ventilator provides moving air for traction electric machine and carries out
Heat dissipation.Locomotive is the power resources of tractor-trailer train traveling, needs powerful traction electric machine to be driven, traction electric machine is by inside
The transformation magnetic field of electromagnetic wire generates rotary motion, this magnetic field needs to generate by very big electric current, and electric current passes through electromagnetic wire
When can generate a large amount of heat.These heats need to carry out by the traction ventilator configured on locomotive to force heat dissipation, therefore lead
Draw the important component that ventilation blower is trailer system in locomotive.Since locomotive needs to draw different compartment description and quantities, also need
Reach the different speeds of service, it is therefore desirable to configure the traction electric machine of different capacity and revolving speed.Different capacity and revolving speed are led
Draw motor, necessarily lead to different heat, needs different heat dissipation air quantity, difference heat dissipation air quantity is inevitable and will lead to different
Aerated area resistance, therefore traction ventilator is also required to provide different flow and pressure；But due to locomotive weight and space
Limitation, for the ease of seriation and generalization, size and installation space to traction ventilator wish that difference is smaller as far as possible.
In addition, needing to carry out frequency modulation operation, rail traffic blower to blower to realize Fan Energy-saving and run at high speed
Gradually start to be controlled using frequency converter.Being generally used for the frequency converter of blower, there are two types of modes, make frequency conversion one is independent
Device cabinet, is totally independent of blower, it is necessary to included fan；One is integrated with motor, be assembled in motor rear end, due to generally in
There is the plenum area of water dust, protection level requirements are higher, and it is unfavorable to safeguard.
Utility model content
The utility model aim is to provide a kind of integrated axial centrifugation traction ventilation of AC transmission electric power locomotive frequency conversion
Machine needs included fan and the high technical problem of protection level requirements to solve the frequency converter of traction ventilator.
To achieve the above object, the utility model provides a kind of integrated axial centrifugation traction ventilator of locomotive frequency conversion,
Main ventilation road 1 including tyre frequency converter mounting base, the air inlet 2 that the vertical section for being set to ventilation blower upper end is circular shape,
Impeller 3, secondary ventilation road 4 with small exit installation angle arc shaped blade, the frequency conversion adjustable speed electricity being arranged in secondary ventilation road
Machine 5, the arc-shaped guide vane 6 being arranged between main ventilation road 1 and secondary ventilation road 4 and the frequency conversion for being mounted on main ventilation road
Control unit 7；The panel radiator 73 of frequency conversion control unit 7 is inserted into 1 aerated area of main air duct；
Frequency conversion adjustable speed motor 5 is connect by arc-shaped guide vane 6 with main ventilation road 1；
On the cylindrical shaft for the stretching that impeller 3 with small exit installation angle arc shaped blade is mounted on frequency conversion adjustable speed motor 5,
The impeller 3 includes the core wheel 36 being connected on electric machine main shaft and successively sets from the inlet end of impeller to outlet side
Arc-shaped front disc 31, reinforcing ring 32, high-intensitive blade 33, plate hub disk 34 and the hinged bolts external member 35 set, the stiffening plate
32 pairs of impeller overall stiffness are reinforced, and the kinetic energy air of 35 impeller 3 of hinged bolts external member thrown away is in arc-shaped water conservancy diversion
Blade 6 gradually slows down under guiding.
Preferably, the main ventilation road 1 includes the connecting plate 11 in connection front end air inlet region, for installing secondary ventilation road
4 and the cylindrical duct 12 of arc-shaped guide vane 6, the taper air duct 15, external for installing frequency conversion that connects rear end outlet air region
The frequency converter mounting base 13 of control unit, the arch reinforcing rib 14 for reinforcing main ventilation road overall stiffness and reinforce taper air duct
Ring stiffener 16.
Preferably, it is adopted between the core wheel 36 and plate hub disk 34 of the impeller 3 with small exit installation angle arc shaped blade
It is connected with hinged bolts external member 35, reinforcing ring 32 is mounted on the outer surface of impeller 3.
Preferably, the blower includes the frequency conversion control unit 7 realizing supply frequency transformation and frequency and adjusting, the frequency conversion
Control unit 7 include with safeguard function again cover board 71 convenient for safeguarding, for installation function component shell 72, be frequency converter
The panel radiator 73 of heat dissipation, the power semiconductor mould group 74 for realizing Fast transforms, the energy storage mould group 75 for realizing energy storage and reality
The control mould group 76 of existing control function.
Preferably, the arc-shaped guide vane 6 is used to support and air conducting, and arc-shaped guide vane 6 is in blade edge
There is 255 radian, while arc-shaped guide vane 6 is being provided with rectangle close to 7 position of frequency conversion control unit on edge vertical direction
Notch.
Preferably, the size of the main ventilation road 1, secondary ventilation road 4 and arc-shaped guide vane 6 on radial and axial
Match.
Preferably, driving frequency converter include provided for motor Fast transforms supply frequency the straight alternating flow functional module group of friendship and
Radiator between integrated blower main ventilation road and secondary ventilation road.
The utility model has the following beneficial effects:
Frequency converter main body is mounted in fan air drum by the integrated frequency converter blower of the utility model design, it is only necessary to will be led to
Inside the partial insertion fan air drum of wind heat dissipation, included fan is not had to.Since heat sink thickness is thin, spacing is big, moreover it is possible to play and lead
The effect of stream.It is radiated by the high-speed flow of blower itself to frequency converter, the heat dissipation of frequency converter can be improved in this structure
Ability reduces the heating rate of frequency converter, simultaneously because main body is mounted on outside air duct, can reduce protection level requirements, just
In maintenance.
Using preferred embodiment provided by the utility model, the cone cylinder behind main ventilation road may be implemented air velocity stabilization and
Diffusion is fitted to the rotation of the impeller of the motor shaft end of frequency conversion drive, and the stabilization and low loss of air flowing may be implemented,
And effectively it is conveyed to the traction electric machine for needing ventilating and cooling；Impeller uses the impeller with small exit installation angle arc shaped blade, if
In respect of stiffening plate and hinged bolts external member, impeller stiffness and stability are promoted, it is ensured that the reliability under longtime running；Special form
The arc-shaped guide vane of shape can reduce air-flow from impeller outlet throw away after flow resistance, promoted fan efficiency, while
Motor can effectively be supported.
Arc-shaped guide vane is in the notch for being provided with rectangle close to driving frequency converter position, the notch and driving frequency converter
Radiator rationally cooperates, and after flowing through air-flow from guide vane, axially flows along cooling fin direction, plays good guide functions.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the structural schematic diagram of the integrated axial centrifugation traction ventilator of use for electric locomotive frequency conversion in the utility model,
Fig. 2 is Fig. 1 blower ventilation road structural schematic diagram,
Fig. 3 is the structural schematic diagram of the impeller with small exit installation angle arc shaped blade in Fig. 1,
1, main ventilation road, 2, air inlet, 3, impeller, 4, secondary ventilation road, 5, frequency conversion adjustable speed motor, 6, arc-shaped water conservancy diversion
Blade, 7, frequency conversion control unit, 11, connecting plate, 12, cylindrical duct, 13, frequency converter mounting base, 14, arch reinforcing rib, 15, cone
Shape air duct, 16, ring stiffener, 31, arc-shaped front disc, 32, reinforcing ring, 33, small exit installation angle arc shaped blade, 34, after plate
Disk, 35, hinged bolts external member, 36, core wheel, 71, frequency converter cover board, 72, shell, 73, panel radiator, 74, power partly leads
Body mould group, 75, energy storage mould group, 76, control mould group.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be according to power
Benefit requires to limit and the multitude of different ways of covering is implemented.
Referring to figure 1, figure 2 and figure 3, Fig. 1 provides a kind of integrated axial centrifugation traction ventilator of use for electric locomotive frequency conversion, it
Including main ventilation road 1, the air inlet 2 that vertical section is circular shape, the impeller 3 with small exit installation angle arc shaped blade, auxiliary
Ventilating duct 4, frequency conversion adjustable speed motor 5, arc-shaped guide vane 6, frequency conversion control unit 7.Vertical section is the air inlet of circular shape
The inlet ends that mouth 2 is installed on main ventilation road 1 by installing bolt, air are accelerated into from air inlet 2 with small exit installation angle
The impeller 3 of arc shaped blade；Frequency conversion adjustable speed motor 5 is located inside secondary ventilation road 4, is led to by arc-shaped guide vane 6 with main
Air duct 1 connects；Impeller 3 with small exit installation angle arc shaped blade is mounted on the cylindrical shaft of the stretching of frequency conversion adjustable speed motor 5
On, between arc-shaped front disc of the vertical section between the air inlet 2 of circular shape and the impeller 3 with small exit installation angle arc shaped blade
Gap, it is ensured that air enters the impeller 3 with small exit installation angle arc shaped blade according to the air velocity of design；Air is in rotation
Circular motion is carried out under the promotion of the small exit installation angle arc shaped blade 33 of impeller 3 to accelerate to flow outward along direction blade simultaneously,
Aerodynamic energy is promoted while speed is promoted, and after air is thrown away from impeller blade outlet, aerodynamic energy is converted into pressure；It is arc-shaped
Guide vane 6 is welded between secondary ventilation road 4 and main ventilation road 1, and upper part position is put down substantially with the front end in secondary ventilation road 4
Together, gradually slow down under the guidance of arc-shaped guide vane 6 from the kinetic energy air of impeller 3 thrown away, method moves in the axial direction, real
The control of existing air-flow direction；After air enters the rear end toper air duct in main ventilation road 1, since diameter incrementally increases, air-flow
Speed gradually reduces, and aerodynamic energy is further converted to pressure, improves the ability that air overcomes resistance.
The main ventilation road 1 includes the connecting plate 11 in connection front end air inlet region, for installing secondary ventilation road 4 and circular arc
The cylindrical duct 12 of shape guide vane 6, the taper air duct 15 for connecting rear end outlet air region, outside are for installing frequency conversion control unit
Frequency converter mounting base 13, reinforce main ventilation road overall stiffness arch reinforcing rib 14 and reinforce taper air duct annular reinforce
Muscle 16 guarantees overall stiffness, reduces vibration when operating.
Hinged bolts are used between the core wheel 36 and plate hub disk 34 of impeller 3 with small exit installation angle arc shaped blade
External member 35 connects, and reinforcing ring 32 is mounted on the outer surface of impeller 3, reinforces impeller overall stiffness.
The blower includes the frequency conversion control unit 7 realizing supply frequency transformation and frequency and adjusting, the frequency control list
Member 7 comprising with safeguard function again cover board 71 convenient for safeguarding, for the shell 72 of installation function component, for frequency converter heat dissipation
Panel radiator 73, the power semiconductor mould group 74 for realizing Fast transforms, the energy storage mould group 75 for realizing energy storage and realization control
The control mould group 76 of function；The panel radiator 73 of the frequency converter is inserted into 1 aerated area of main air duct, realizes preferably heat dissipation,
Smaller frequency conversion control unit volume improves overall efficiency.
The arc-shaped guide vane 6 has 255 radian on the vertical direction of blade edge, while close to driving
7 position of frequency converter is provided with the notch of rectangle, and the rationally cooperation of radiator 72 of the notch and driving frequency converter 7 makes air-flow from guide vane
After flowing through, is axially flowed along cooling fin direction, play good guide functions.
Main ventilation road 1 in the utility model includes cylindrical duct 12, taper air duct 14, the arc-shaped water conservancy diversion leaf of inlet end
Piece 6, and for the secondary ventilation road 4 of frequency conversion adjustable speed motor 5, make blower air flowing that there is minimum drag.In the application
Main ventilation road 1, the air inlet 2 of circular shape, secondary ventilation road 4, the difference of arc-shaped guide vane 6 according to requirements can
It is manufactured using Fine Steel Casting iron, high-strength aluminum alloy or high strength nonmetallic material, with small exit installation angle arc shaped blade
Impeller 3 is needed according to revolving speed using different materials, and revolving speed can use high-intensitive carbon steel, revolving speed 4000r/min lower than 4000r/min
High-strength aluminum alloy can be used to 9000r/min, more high-revolving impeller should use the alloy of higher intensity.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of locomotive integrated axial centrifugation traction ventilator of frequency conversion, which is characterized in that including tyre frequency converter mounting base
Main ventilation road (1), has small exit installation angle arc at the air inlet (2) that the vertical section for being set to ventilation blower upper end is circular shape
The impeller (3) of shape blade, the frequency conversion adjustable speed motor (5) being arranged in secondary ventilation road, is arranged in master secondary ventilation road (4)
Arc-shaped guide vane (6) between ventilating duct (1) and secondary ventilation road (4) and the frequency control list for being mounted on main ventilation road
First (7)；In panel radiator (73) insertion main ventilation road (1) aerated area of frequency conversion control unit (7)；
Frequency conversion adjustable speed motor (5) is connect by arc-shaped guide vane (6) with main ventilation road (1)；
On the cylindrical shaft for the stretching that impeller (3) with small exit installation angle arc shaped blade is mounted on frequency conversion adjustable speed motor (5),
The impeller (3) includes the core wheel (36) being connected on electric machine main shaft and successively sets from the inlet end of impeller to outlet side
Arc-shaped front disc (31), reinforcing ring (32), high-intensitive blade (33), plate hub disk (34) and the hinged bolts external member (35) set,
The reinforcing ring (32) reinforces impeller overall stiffness, the kinetic energy of hinged bolts external member (35) impeller (3) thrown away
Air gradually slows down in the case where arc-shaped guide vane (6) guide.
2. the locomotive according to claim 1 integrated axial centrifugation traction ventilator of frequency conversion, which is characterized in that the master is logical
Air duct (1) includes the connecting plate (11) for connecting front end air inlet region, for installing secondary ventilation road (4) and arc-shaped guide vane
(6) the taper air duct (15) of cylindrical duct (12), connection rear end outlet air region, the external change for being used to install frequency conversion control unit
Frequency device mounting base (13), the arch reinforcing rib (14) for reinforcing main ventilation road overall stiffness and the annular for reinforcing taper air duct are reinforced
Muscle (16).
3. the locomotive according to claim 1 integrated axial centrifugation traction ventilator of frequency conversion, which is characterized in that with it is small go out
Hinged bolts external member is used between the core wheel (36) and plate hub disk (34) of the impeller (3) of mouth established angle arc shaped blade
(35) it connects, reinforcing ring (32) is mounted on the outer surface of impeller (3).
4. the locomotive according to claim 1 integrated axial centrifugation traction ventilator of frequency conversion, which is characterized in that the blower
The frequency conversion control unit (7) adjusted including realizing supply frequency transformation and frequency, the frequency conversion control unit (7) are anti-comprising having
Protective function again cover board (71) convenient for safeguarding, for the shell (72) of installation function component, for the plate type radiator of frequency converter heat dissipation
Device (73), the power semiconductor mould group (74) for realizing Fast transforms, the energy storage mould group (75) for realizing energy storage and realization control function
The control mould group (76) of energy.
5. the locomotive according to claim 1 integrated axial centrifugation traction ventilator of frequency conversion, which is characterized in that the circular arc
Shape guide vane (6) is used to support and air conducting, and arc-shaped guide vane (6) has 255 on blade edge vertical direction
Radian, while arc-shaped guide vane (6) is being provided with the notch of rectangle close to frequency conversion control unit (7) position.
6. the locomotive according to claim 1 integrated axial centrifugation traction ventilator of frequency conversion, which is characterized in that the master is logical
The size of air duct (1), secondary ventilation road (4) and arc-shaped guide vane (6) on radial and axial matches.
7. the locomotive according to claim 1 integrated axial centrifugation traction ventilator of frequency conversion, which is characterized in that driving frequency conversion
Device includes providing the straight alternating flow functional module group sum aggregate of friendship of Fast transforms supply frequency for motor to become a common practice owner's ventilating duct and auxiliary
Radiator between ventilating duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822000597.6U CN209145931U (en) | 2018-11-30 | 2018-11-30 | The AC transmission electric power locomotive integrated axial centrifugation traction ventilator of frequency conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822000597.6U CN209145931U (en) | 2018-11-30 | 2018-11-30 | The AC transmission electric power locomotive integrated axial centrifugation traction ventilator of frequency conversion |
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| Publication Number | Publication Date |
|---|---|
| CN209145931U true CN209145931U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822000597.6U Active CN209145931U (en) | 2018-11-30 | 2018-11-30 | The AC transmission electric power locomotive integrated axial centrifugation traction ventilator of frequency conversion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116294162A (en) * | 2023-03-24 | 2023-06-23 | 广东积木机电科技有限公司 | Fire-resistant dome and dome |
-
2018
- 2018-11-30 CN CN201822000597.6U patent/CN209145931U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116294162A (en) * | 2023-03-24 | 2023-06-23 | 广东积木机电科技有限公司 | Fire-resistant dome and dome |
| CN116294162B (en) * | 2023-03-24 | 2023-09-08 | 广东积木机电科技有限公司 | Fire-resistant round-sky-square-earth pipe |
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