CN105422504B - A kind of threephase asynchronous dedicated fan less than or equal to 30kW - Google Patents
A kind of threephase asynchronous dedicated fan less than or equal to 30kW Download PDFInfo
- Publication number
- CN105422504B CN105422504B CN201511018923.0A CN201511018923A CN105422504B CN 105422504 B CN105422504 B CN 105422504B CN 201511018923 A CN201511018923 A CN 201511018923A CN 105422504 B CN105422504 B CN 105422504B
- Authority
- CN
- China
- Prior art keywords
- flabellum
- effective coverage
- axle sleeve
- fan
- fan body
- 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.)
- Active
Links
- 241000883990 Flabellum Species 0.000 claims abstract description 56
- 230000009467 reduction Effects 0.000 claims abstract description 14
- 230000004992 fission Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- F04D29/26—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
- F04D29/30—Vanes
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The threephase asynchronous dedicated fan that the present invention relates to a kind of less than or equal to 30kW, including tubaeform fan body, axle sleeve, flabellum, keyway is equipped in axle sleeve, nine flabellums are uniformly distributed in tubaeform fan body outer surface, each flabellum includes a flabellum effective coverage A, the area ratio that the noise reduction region B, flabellum effective coverage A and noise reduction region B of one hollow out are formed between the inward flange face and axle sleeve of flabellum effective coverage A is 0.14 to 0.33.The present invention is compared with prior art, advantage is: in the case where guaranteeing and original fan outer dimension is basically unchanged, so that wind path can be made more smooth after rotation, substantially reduce the mechanical noise of windage loss and motor, it is greatly improved the efficiency of motor, and assembly method easy to assembly, without changing original motor.
Description
Technical field
The invention belongs to three asynchronous motor fan technology fields, more particularly to a kind of three less than or equal to 30kW
Phase asynchronous motor dedicated fan.
Background technique
It is well known that fan is the main thermal component of motor, it is good radiate can be improved the service life of motor,
Energy utilization rate is improved, how to select fan to reduce the temperature rise of motor is design of electrical motor main problem in need of consideration.Motor
Noise is one of the major parameter for examining motor, and fan can make air flowing generate noise in ventilation process.Air flowing is got over
Fast heat dissipation effect is better, while the noise generated is higher；The area of electric fan is bigger, drives the ability of air flowing is bigger to dissipate
Thermal energy power is better, the excessive height that will increase motor of flabellum, needs bigger space to install motor, requires in actual use
The compacter the shape of motor the better；So how to select the shape of fan, fan is made to have good heat dissipation effect, noise allowing
The critical issue that range needs to solve when to have smaller volume be design of electrical motor simultaneously.
Summary of the invention
The present invention is to solve technical problem present in well-known technique and providing a kind of can substantially reduce windage loss and electricity
The mechanical noise of machine is greatly improved the efficiency of motor, and assembly method easy to assembly, without changing original motor is small
In the threephase asynchronous dedicated fan for being equal to 30kW.
The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that
A kind of threephase asynchronous dedicated fan less than or equal to 30kW, including tubaeform fan body, axle sleeve and
It is evenly distributed on the flabellum of tubaeform fan body outer surface, is equipped with keyway, the tubaeform fan body bottom in the axle sleeve
The outer diameter φ d in portion is 170mm, and the internal diameter φ d1 of tubaeform fan body bottom is 154mm；The outer diameter φ d2 of axle sleeve is 60mm；
The internal diameter φ d3 of axle sleeve is 42mm；The height L3 of the axle sleeve is 24mm；It is characterized by: the tubaeform fan body and water
The angle α 1 of flat mounting plane is 30 °, is uniformly distributed nine flabellums in tubaeform fan body outer surface, each flabellum includes
Angle α 2 is formed between the inward flange face and axle sleeve of one flabellum effective coverage A, flabellum effective coverage A be 29.3 ° engrave
The area ratio of empty noise reduction region B, flabellum effective coverage A and noise reduction region B are 0.14 to 0.33, and the thickness H of each flabellum is
2.5mm；α 3 is 60 ° to the edge surface of each flabellum effective coverage A in an angle with planar shaped is horizontally mounted, each fan
The inward flange face of leaf effective coverage A and the angle α 4 of fan body outer surface are 111 °；The upper surface of each flabellum effective coverage A
For horizontal plane, and axial difference in height is equipped between axle sleeve upper surface, the axial difference in height L2 is 9mm；Flabellum effective coverage A
Upper surface be located above axle sleeve upper surface；Between the upper surface of flabellum effective coverage A and the edge surface of flabellum effective coverage A
The knuckle for being 5mm equipped with radius R1 is equipped with radius between the inward flange face and fan body outer surface of flabellum effective coverage A
R2 is the knuckle of 6mm；The internal diameter φ d4 of noise reduction region B upper port is 139.5mm；The upper end outer diameter of flabellum effective coverage A
φ d5 is 215mm, and the flabellum effective coverage A height L1 is 50mm.
The advantages and positive effects of the present invention are: compared with prior art, the present invention advantage is: in guarantee and original
In the case where having fan outer dimension to be basically unchanged, so that wind path can be made more smooth after rotation, windage loss can be substantially reduced
With the mechanical noise of motor, it is greatly improved the efficiency of motor, and assembly side easy to assembly, without changing original motor
Formula.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is prior art construction schematic diagram.
In figure: 1, fan body；2, axle sleeve；2-1, keyway；3, flabellum；3-1, flabellum effective coverage A；3-10, inward flange
Face；3-11, edge surface；3-12, upper surface；3-2, noise reduction region B；.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows:
Please refer to Fig. 1 to Fig. 2, a kind of threephase asynchronous dedicated fan less than or equal to 30kW, including tubaeform wind
Ontology 1, axle sleeve 2 and the flabellum 3 for being evenly distributed on tubaeform fan body outer surface are fanned, is equipped with keyway 2- in the axle sleeve 2
1, the outer diameter φ d of the tubaeform fan body bottom are 170mm, and the internal diameter φ d1 of tubaeform fan body bottom is 154mm；
The outer diameter φ d2 of axle sleeve is 60mm；The internal diameter φ d3 of axle sleeve is 42mm；The height L3 of the axle sleeve is 24mm；The tubaeform wind
Fan ontology is 30 ° with the angle α 1 for being horizontally mounted plane, is uniformly distributed nine flabellums in tubaeform fan body outer surface, each
Flabellum includes a flabellum effective coverage A, and shape is in an angle between the inward flange face 3-10 and axle sleeve of flabellum effective coverage A
The area ratio of the noise reduction region B, flabellum effective coverage A and noise reduction region B of the hollow out that α 2 is 29.3 ° are 0.14 to 0.33, each
The thickness H of flabellum is 2.5mm；The edge surface 3-11 of each flabellum effective coverage A and it is horizontally mounted planar shaped α in an angle
3 be 60 °, and the inward flange face 3-10 of each flabellum effective coverage A and the angle α 4 of fan body outer surface are 111 °；Each
The upper surface 3-12 of flabellum effective coverage A,；For horizontal plane, and axial difference in height, the axial direction are equipped between axle sleeve upper surface
Difference in height L2 is 9mm；The upper surface of flabellum effective coverage A is located above axle sleeve upper surface；The upper surface of flabellum effective coverage A with
The knuckle that radius R1 is 5mm, the inward flange face of flabellum effective coverage A are equipped between the edge surface of flabellum effective coverage A
The knuckle that radius R2 is 6mm is equipped between fan body outer surface；The internal diameter φ d4 of noise reduction region B upper port is
139.5mm；The upper end outer diameter φ d5 of flabellum effective coverage A is 215mm, and the flabellum effective coverage A height L1 is 50mm.
This design can meet the matching requirements of different motor models by adjusting non-key parameter, so that the present invention has
There is higher versatility, non-key parameter mainly includes that lower end surface height of the lower end surface of axle sleeve apart from tubaeform fan body is
L4 is, the width L6 of the groove depth L5 of keyway and keyway；In the present embodiment, the L4 is 18mm, L5 45.3mm, L6 10mm.
In order to further illustrate the present invention, the mechanical noise of windage loss and motor is substantially reduced；Provide following noise
Table is measured, such as table one, four different installation sites of transformation carry out noise test respectively in table, wherein defining the terminal box of motor
It is 0 °, is successively rotated by 90 ° counterclockwise, the to be positioned of 180 ° 270 ° and terminal box amounts to 5 check bits, design parameter is as follows
Table:
Table one
It can be seen that the reduction with flabellum effective coverage A and noise reduction region B area ratio from above table, it is each
The noise in direction is also gradually increasing, and the temperature rise value K of motor is reduced, when noise be more than defined 60dB (A) or more be can not
Take, current original fan does not have a region B for eliminating noise, and noise is more than desired 60dB (A), up to 68dB (A) with
On.
(such as Fig. 3) compared with prior art, advantage is: the case where guaranteeing and original fan outer dimension is basically unchanged
Under, so that wind path can be made more smooth after rotation, the mechanical noise of windage loss and motor can be substantially reduced, electricity is greatly improved
The efficiency of machine, and assembly method easy to assembly, without changing original motor.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (1)
1. a kind of threephase asynchronous dedicated fan less than or equal to 30kW, including tubaeform fan body, axle sleeve and
The even flabellum for being distributed in tubaeform fan body outer surface, the axle sleeve is interior to be equipped with keyway, the tubaeform fan fission bottom
Outer diameter φ d be 170mm, the internal diameter φ d1 of tubaeform fan fission bottom is 154mm；The outer diameter φ d2 of axle sleeve is 60mm；Axis
The internal diameter φ d3 of set is 42mm；The height L3 of the axle sleeve is 24mm；It is characterized by: the tubaeform fan body and level
The angle α 1 of mounting plane is 30 °, is uniformly distributed nine flabellums in tubaeform fan body outer surface, each flabellum includes one
The hollow out that an angle α 2 is 29.3 ° is formed between the inward flange face and axle sleeve of a flabellum effective coverage A, flabellum effective coverage A
The area ratio of noise reduction region B, flabellum effective coverage A and noise reduction region B be 0.14 to 0.33, the thickness H of each flabellum is
2.5mm；α 3 is 60 ° to the edge surface of each flabellum effective coverage A in an angle with planar shaped is horizontally mounted, each fan
The inward flange face of leaf effective coverage A and the angle α 4 of fan body outer surface are 111 °；The upper surface of each flabellum effective coverage A
For horizontal plane, and axial difference in height is equipped between axle sleeve upper surface, the axial difference in height L2 is 9mm；Flabellum effective coverage A
Upper surface be located above axle sleeve upper surface；Between the upper surface of flabellum effective coverage A and the edge surface of flabellum effective coverage A
The knuckle for being 5mm equipped with radius R1 is equipped with radius between the inward flange face and fan body outer surface of flabellum effective coverage A
R2 is the knuckle of 6mm；The internal diameter φ d4 of noise reduction region B upper port is 139.5mm；The upper end outer diameter of flabellum effective coverage A
φ d5 is 215mm, and the flabellum effective coverage A height L1 is 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018923.0A CN105422504B (en) | 2015-12-30 | 2015-12-30 | A kind of threephase asynchronous dedicated fan less than or equal to 30kW |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018923.0A CN105422504B (en) | 2015-12-30 | 2015-12-30 | A kind of threephase asynchronous dedicated fan less than or equal to 30kW |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105422504A CN105422504A (en) | 2016-03-23 |
| CN105422504B true CN105422504B (en) | 2018-12-28 |
Family
ID=55500963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511018923.0A Active CN105422504B (en) | 2015-12-30 | 2015-12-30 | A kind of threephase asynchronous dedicated fan less than or equal to 30kW |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105422504B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201627749U (en) * | 2010-04-28 | 2010-11-10 | 南阳防爆电气研究所有限公司 | Special fan used for YB3-series flame-proof three-phase asynchronous motor |
| CN201944003U (en) * | 2011-01-06 | 2011-08-24 | 无锡市中达电机有限公司 | Motor fan structure provided with check ring |
| CN202050330U (en) * | 2011-03-31 | 2011-11-23 | 大连洪立电机有限公司 | Fan used for small and medium sized three-phase asynchronous motor |
| CN202798336U (en) * | 2012-07-23 | 2013-03-13 | 苏州德能电机有限公司 | Three-phase asynchronous motor heat dissipation fan blade |
| WO2013156238A2 (en) * | 2012-04-19 | 2013-10-24 | Robert Bosch Gmbh | Electrical machine comprising a fan wheel having a high number of blades |
| CN103452878A (en) * | 2013-09-09 | 2013-12-18 | 中达电机股份有限公司 | Fan for three-phase asynchronous motor |
| CN205298050U (en) * | 2015-12-30 | 2016-06-08 | 天津市西青区华兴电机制造有限公司 | Less than or equal to 30kW's special fan of three -phase asynchronous motor |
-
2015
- 2015-12-30 CN CN201511018923.0A patent/CN105422504B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201627749U (en) * | 2010-04-28 | 2010-11-10 | 南阳防爆电气研究所有限公司 | Special fan used for YB3-series flame-proof three-phase asynchronous motor |
| CN201944003U (en) * | 2011-01-06 | 2011-08-24 | 无锡市中达电机有限公司 | Motor fan structure provided with check ring |
| CN202050330U (en) * | 2011-03-31 | 2011-11-23 | 大连洪立电机有限公司 | Fan used for small and medium sized three-phase asynchronous motor |
| WO2013156238A2 (en) * | 2012-04-19 | 2013-10-24 | Robert Bosch Gmbh | Electrical machine comprising a fan wheel having a high number of blades |
| CN202798336U (en) * | 2012-07-23 | 2013-03-13 | 苏州德能电机有限公司 | Three-phase asynchronous motor heat dissipation fan blade |
| CN103452878A (en) * | 2013-09-09 | 2013-12-18 | 中达电机股份有限公司 | Fan for three-phase asynchronous motor |
| CN205298050U (en) * | 2015-12-30 | 2016-06-08 | 天津市西青区华兴电机制造有限公司 | Less than or equal to 30kW's special fan of three -phase asynchronous motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105422504A (en) | 2016-03-23 |
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