CN206874515U - A kind of motor-car aids in transformer cabinet cooling fan - Google Patents
A kind of motor-car aids in transformer cabinet cooling fan Download PDFInfo
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- CN206874515U CN206874515U CN201720737018.9U CN201720737018U CN206874515U CN 206874515 U CN206874515 U CN 206874515U CN 201720737018 U CN201720737018 U CN 201720737018U CN 206874515 U CN206874515 U CN 206874515U
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- air inlet
- inlet duct
- installing plate
- motor
- impeller
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Abstract
It the utility model is related to a kind of motor-car auxiliary transformer cabinet cooling ventilation blower, including air inlet duct, air inlet duct installing plate, baffle plate, lock washer with tongue inside, impeller, motor, four support bars and installing plate, it is characterized in that this ventilation blower is without scroll casing type centrifugal fan, air inlet duct uses arc-shaped structure, air inlet duct and the vortex near wheel disc before impeller can be reduced, air inlet duct is fixed on air inlet duct installing plate.Impeller uses wheel disc before arc, improves impeller adiabatic efficiency.Rear trochal disc both ensure that the structural requirement of blower fan, and improved fan efficiency again using shape structure is tilted.Impeller blade is compressing from 2mm circular arc bent plates.So that blower fan has good aeroperformance while the requirement of client space size is met.For installing plate using the higher steel alloy of intensity, ensure that the bulk strength of blower fan can meet that locomotive vibration impact requires.The blower fan structure is simple, stable, and maintenance is convenient.
Description
Technical field
A kind of motor-car auxiliary transformer cabinet cooling fan is the utility model is related to, transformer cabinet system is aided in suitable for motor-car
System, belongs to field of fluid machinery.
Background technology
At present, aiding in transformer cabinet, the assembling provides in auxiliary transformer cabinet for heat generating components loaded in railway car
Cooling air.Transformer cabinet air-conditioning requirement is aided according to motor-car, blower fan has two running operating points, flow 1.47m3It is quiet during/s
Pressure is not less than 800Pa, flow 0.74m3During/s, static pressure is not less than 200Pa.According to high efficiency and low noise principle is obtained, press
Being designed according to conventional fan, the installing space and rotating speed of blower fan be limited, and draught fan impeller diameter can not be more than 424mm during design,
Impeller rear trochal disc can not by traditional design into flat board, existing blower fan structure, flow and pressure be difficult to meet above-mentioned requirements, it is necessary to
Improve.
The content of the invention
The purpose of this utility model is overcome the deficiencies in the prior art and defect, there is provided a kind of simple in construction, operation is surely
Fixed, efficiency high and the motor-car for being easy to safeguard aid in transformer cabinet cooling fan.
The technical solution of the utility model：A kind of motor-car aids in transformer cabinet cooling fan, including air inlet duct, air inlet duct
Installing plate, baffle plate, lock washer with tongue inside, impeller, motor, installing plate and fastener, it is characterised in that the described cooling channel
Machine is without scroll casing type ventilator structure, and the air inlet duct in cooling fan is designed as arc-shaped structure, the air inlet duct be arranged on into
On the installing plate of air channel and it is bolted, the air inlet duct installing plate is provided with four support bars, i.e. four support bar one end are fixed
On air inlet duct installing plate, the other end is fixed on a mounting board；
Described motor is set on a mounting board, i.e., the flange of motor is fixed with installing plate by fastener；Installing plate is adopted
With the higher steel alloy of intensity, ensure that the bulk strength of blower fan can meet that locomotive vibration impact requires.
The axle stretch end of described impeller press-in motor is simultaneously fixed by baffle plate, lock washer with tongue inside and fastener；The impeller
Be welded by preceding wheel disc, blade, rear trochal disc and core wheel, wherein, preceding wheel disc be arcuate structure, rear trochal disc is incline structure, leaf
Piece is compressing using 2.5mm circular arc bent plates.
The axial direction of wheel disc and radial clearance are 2mm before described air inlet duct and impeller.Air inlet duct and leaf can be reduced
Vortex near the preceding wheel disc of wheel.
Described motor is threephase asynchronous, rotation speed of fan 2920r/min.
This ventilation blower is without scroll casing type centrifugal fan, and the air inlet duct in ventilation blower uses arc-shaped structure, can reduce into
Air channel uses wheel disc before arc, improves impeller adiabatic efficiency with the vortex near wheel disc before impeller, impeller.Rear trochal disc uses bevelled junction
Structure, the structural requirement of blower fan was both ensure that, has improved fan efficiency again.Impeller blade is compressing from 2mm circular arc bent plates.Electricity
The flange of machine is installed on a mounting board by bolt.Motor is threephase asynchronous, rotation speed of fan 2920r/min, in volume
Vibration when determining operating point is less than 2.8mm/s；
Technical essential of the present utility model is：Blower fan is in the case where impeller diameter and blower fan are axially size-constrained, to wind
Wheeling disk structure, trailing wheel dish structure, impeller and air inlet duct gap are optimized before machine air inlet duct and impeller, ensure reaching property of blower fan
It can require, while there is good aeroperformance, meet customer requirement.
In summary, the utility model is simple in construction, stable, efficiency high and is easy to safeguard.
Impeller blade is compressing from 2mm circular arc bent plates.So that blower fan meet client space size requirement while,
With good aeroperformance.For installing plate using the higher steel alloy of intensity, ensure that the bulk strength of blower fan can meet machine
The requirement of car vibratory impulse.
Brief description of the drawings
Fig. 1 is decomposition texture schematic diagram of the present utility model；
Fig. 2 is dimensional structure diagram of the present utility model；
Fig. 3 is the cross section structure diagram of impeller；
Fig. 4 is the left view structural representation of impeller；
In figure：1- air inlet ducts, 2- air inlet duct installing plates, 3- baffle plate 4- lock washer with tongue at insides, 5- impellers, 6- motors, 7- branch
Strut, 8- installing plates, wheel disc before 51-, 52- blades, 53- rear trochal discs, 54- core wheels.
Embodiment
Refering to above-mentioned accompanying drawing, a kind of motor-car aids in transformer cabinet cooling fan, including air inlet duct 1, air inlet duct installing plate
2nd, baffle plate 3, lock washer with tongue inside 4, impeller 5, motor 6, installing plate 8 and fastener, it is characterised in that the described cooling channel
Machine is without scroll casing type ventilator structure, and the air inlet duct 1 in cooling fan is designed as arc-shaped structure, and the air inlet duct 1 is arranged on
On air inlet duct installing plate 2 and it is bolted, the air inlet duct installing plate 2 is provided with four support bars 7, i.e. four support bars 7 one
End is fixed on air inlet duct installing plate 2, and the other end is fixed on installing plate 8；
Described motor 6 is arranged on installing plate 8, i.e., the flange of motor 6 is fixed with installing plate 8 by fastener；
Described impeller 5 is pressed into the axle stretch end of motor 6 and fixed by baffle plate 3, lock washer with tongue inside 4 and fastener；Should
Impeller 5 is welded by preceding wheel disc 51, blade 52, rear trochal disc 53 and core wheel 54, wherein, preceding wheel disc 51 be arcuate structure, trailing wheel
Disk 53 is incline structure, and blade 52 is compressing using 2.5mm circular arc bent plates.
Described air inlet duct 1 is 2mm with the axial direction of wheel disc 51 before impeller and radial clearance.Air inlet duct 1 can be reduced
With the vortex near the preceding wheel disc 51 of impeller 5.
Described motor 6 is threephase asynchronous, rotation speed of fan 2920r/min.
This ventilation blower is without scroll casing type centrifugal fan, and the air inlet duct in ventilation blower uses arc-shaped structure, can reduce into
Air channel uses wheel disc before arc, improves impeller adiabatic efficiency with the vortex near wheel disc before impeller, impeller.Rear trochal disc uses bevelled junction
Structure, the structural requirement of blower fan was both ensure that, has improved fan efficiency again.Impeller blade is compressing from 2mm circular arc bent plates.Electricity
The flange of machine is installed on a mounting board by bolt.Motor is threephase asynchronous, rotation speed of fan 2920r/min, in volume
Vibration when determining operating point is less than 2.8mm/s；
The utility model is simple in construction, stable, efficiency high and is easy to safeguard, impeller blade is curved from 2mm circular arcs
Plate is compressing.The aeroperformance of blower fan is optimized, ensure that blower fan is optimal in the aeroperformance of declared working condition point.So that
Blower fan has good aeroperformance while the requirement of client space size is met.Installing plate is using the higher alloy of intensity
Steel, ensure that the bulk strength of blower fan can meet that locomotive vibration impact requires.
Claims (3)
1. a kind of motor-car aids in transformer cabinet cooling fan, including air inlet duct（1）, air inlet duct installing plate（2）, baffle plate（3）, it is interior
Tongue stop washer（4）, impeller（5）And motor（6）Installing plate（8）And fastener, it is characterised in that：
A, described cooling fan is the air inlet duct in cooling fan without scroll casing type ventilator structure（1）It is designed as circular arc
Shape structure, the air inlet duct（1）It is arranged on air inlet duct installing plate（2）Go up and be bolted, the air inlet duct installing plate（2）If
There are four support bars（7）, i.e. four support bars（7）One end is fixed on air inlet duct installing plate（2）On, the other end is fixed on installing plate
（8）On；
B, described motor（6）It is arranged on installing plate（8）On, i.e. motor（6）Flange and installing plate（8）Consolidated by fastener
It is fixed；
C, described impeller（5）It is pressed into motor（6）Axle stretch end and pass through baffle plate（3）, lock washer with tongue inside（4）And fastener is consolidated
It is fixed；The impeller（5）By preceding wheel disc（51）, blade（52）, rear trochal disc（53）And core wheel（54）Be welded, wherein, preceding wheel disc
（51）For arcuate structure, rear trochal disc（53）For incline structure, blade（52）It is compressing using 2.5mm circular arc bent plates.
A kind of 2. motor-car auxiliary transformer cabinet cooling fan as claimed in claim 1, it is characterised in that described air inlet duct
（1）With wheel disc before impeller（51）Axial direction and radial clearance be 2mm.
A kind of 3. motor-car auxiliary transformer cabinet cooling fan as claimed in claim 1, it is characterised in that described motor
（6）For threephase asynchronous, rotation speed of fan 2920r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720737018.9U CN206874515U (en) | 2017-06-23 | 2017-06-23 | A kind of motor-car aids in transformer cabinet cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720737018.9U CN206874515U (en) | 2017-06-23 | 2017-06-23 | A kind of motor-car aids in transformer cabinet cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206874515U true CN206874515U (en) | 2018-01-12 |
Family
ID=61332824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720737018.9U Active CN206874515U (en) | 2017-06-23 | 2017-06-23 | A kind of motor-car aids in transformer cabinet cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206874515U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441859A (en) * | 2018-12-14 | 2019-03-08 | 株洲联诚集团控股股份有限公司 | A kind of intercity cooling centrifugal blower of EMU accessory power supply cabinet |
| CN110685938A (en) * | 2019-10-09 | 2020-01-14 | 伦登风机科技(天津)有限公司 | Meridian acceleration centrifugal fan impeller of high-temperature industrial furnace |
-
2017
- 2017-06-23 CN CN201720737018.9U patent/CN206874515U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441859A (en) * | 2018-12-14 | 2019-03-08 | 株洲联诚集团控股股份有限公司 | A kind of intercity cooling centrifugal blower of EMU accessory power supply cabinet |
| CN110685938A (en) * | 2019-10-09 | 2020-01-14 | 伦登风机科技(天津)有限公司 | Meridian acceleration centrifugal fan impeller of high-temperature industrial furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230717 Address after: No. 66 and 68 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province, 412000 Patentee after: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd. Address before: 412000 technical management department, Lianxin group, Tianxin north gate, Shifeng District, Zhuzhou, Hunan Patentee before: ZHUZHOU LINCE GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |