CN2207466Y - Disc type permanent magnet synchronous low-noise transformer fan - Google Patents
Disc type permanent magnet synchronous low-noise transformer fan Download PDFInfo
- Publication number
- CN2207466Y CN2207466Y CN 94245871 CN94245871U CN2207466Y CN 2207466 Y CN2207466 Y CN 2207466Y CN 94245871 CN94245871 CN 94245871 CN 94245871 U CN94245871 U CN 94245871U CN 2207466 Y CN2207466 Y CN 2207466Y
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- rotating shaft
- fan
- fixed
- screw
- 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.)
- Expired - Fee Related
Links
- 230000001360 synchronised effect Effects 0.000 title claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910000976 Electrical steel Inorganic materials 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an improvement to a transformer fan.
One end of the rotating shaft fixes the rotor yoke with the starting wheel into a whole through a screw and is just buckled on a fixed shaft in the engine base, the permanent magnet is embedded between the starting wheels, the stator corresponding to the permanent magnet is fixed on the engine base, and the other end of the rotating shaft fixes the impeller into a whole.
The axial size of the fan is shortened by 26%, the efficiency is improved by 15%, the power factor is improved by 0.2, the noise is reduced by 10dB , and the protection performance and the operation reliability are also improved. The production of the product saves silicon steel sheets by 20-25%, the lead by 10% and the die cost by 20%.
Description
The utility model relates to the improvement to a kind of transformer fan, also can make general outdoor axial-flow blower and use.
Usually the motor of transformer fan use adopts ac three-phase asynchronous motor, but because axial dimension is long; Between working speed during the asynchronous motor operation and the synchronous speed slip is arranged, be difficult to raise the efficiency and power factor; Rotation speed of the fan is difficult to reduce, and causes noise big; The fan safeguard structure is unreasonable, easily feedback water inlet.
The purpose of this utility model is to provide a kind of desk permanent-magnet synchronous low-noise level transformer fan.Can shorten axial length, raise the efficiency, reduce noise, increase the service life.
The utility model is to realize so in conjunction with the accompanying drawings.The rotor yoke iron 10 that rotating shaft 17 1 ends will have a driving wheel 13 by screw is fixed as one and is buckled in just on the dead axle 18 in the support 16, permanent magnet 12 is embedded between the driving wheel, the corresponding stator 14 of permanent magnet passes through screw, " O " RunddichtringO 15 is fixed on the support, the end cap 9 that has waterproof cover 7 passes through screw, " O " RunddichtringO 11 is fixed on the support, the rotating shaft the other end is by tapered sleeve 3, axle sleeve 5 is fixed as one impeller 6 with screw, terminal box 1 links to each other with support by " O " RunddichtringO 2, also be provided with tarpaulin 4 between waterproof cover and the rotating shaft, rotating shaft and end cap, be provided with bearing 8 between dead axle.Support is provided with 3-8 bearing rib 19 outward.
The synchronous low-noise level transformer fan of making according to said structure of desk permanent-magnet, because this fan utilizes driving wheel and permanent magnet acting in conjunction to make its synchronization of asynchronous motor operation, rotating speed again pulls in behind the asynchronous speed when being electric motor starting, its synchronous machine can move under the leading mode of power factor, send wattless power, improved power factor; The outer bearing rib of support had both played the mounting support effect, because the bearing rib section is a wing blade, also can play guide functions; This fan electromotor adopts single fixing structure and " O " RunddichtringO, has improved waterproof ability, has increased reliability.
The 750kv that fan the adaptation high-power transformer, particularly 500kv that the utility model provides maybe will develop, the needs of 1000kv ehv power transmission oversize transformer.This fan axial dimension shortens 26%, raises the efficiency 15%, and power factor improves 0.2, noise decline 10dB(A), also improved barrier propterty and reliability of operation, the save silicon steel disc 20～25% of production own, lead 10%, mould takes 20%.
Description of drawings:
The synchronous low-noise level transformer fan structure of Fig. 1 desk permanent-magnet schematic representation
Embodiment: to be applied in SFS
7-360000/500 ultrahigh pressure oversize transformer is with on the YF-315 type forced air cooler, and the synchronous low-noise level transformer fan of desk permanent-magnet is an example, and its important technological parameters design is as follows:
Impeller diameter 900mm, synchronous revolution 750r/min,
Air quantity 16000m
3/ h, total head 150Pa,
Voltage 380V, frequency 50Hz,
Power 1.1Kw, noise 70dB(A),
Power factor 82.5, efficient 60.61.
Claims (1)
1, a kind of by impeller (6), the synchronous low-noise level transformer fan of desk permanent-magnet that rotating shaft (17) is formed, it is characterized in that rotor yoke iron (10) that rotating shaft one end will have driving wheel (13) by screw is fixed as one is buckled on the dead axle (18) in the support (16) just, permanent magnet (12) is embedded between the driving wheel, the corresponding stator of permanent magnet (14) passes through screw, " O " RunddichtringO (15) is fixed on the support, the end cap (9) that has waterproof cover (7) passes through screw, " O " RunddichtringO (11) is fixed on the support, the rotating shaft the other end is by tapered sleeve (3), axle sleeve (5) is fixed as one impeller with screw, terminal box 1 links to each other with support by " O " RunddichtringO (2), also be provided with tarpaulin (4) between waterproof cover and the rotating shaft, rotating shaft and end cap, be provided with bearing (8) between dead axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94245871 CN2207466Y (en) | 1994-11-22 | 1994-11-22 | Disc type permanent magnet synchronous low-noise transformer fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94245871 CN2207466Y (en) | 1994-11-22 | 1994-11-22 | Disc type permanent magnet synchronous low-noise transformer fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2207466Y true CN2207466Y (en) | 1995-09-13 |
Family
ID=33851527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94245871 Expired - Fee Related CN2207466Y (en) | 1994-11-22 | 1994-11-22 | Disc type permanent magnet synchronous low-noise transformer fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2207466Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742430A (en) * | 2013-12-19 | 2014-04-23 | 浙江双双制冷设备有限公司 | Motor assembly for centrifugal fan |
| CN104218718A (en) * | 2013-05-30 | 2014-12-17 | 宁波狮球通风机电有限公司 | Motor for fan |
-
1994
- 1994-11-22 CN CN 94245871 patent/CN2207466Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218718A (en) * | 2013-05-30 | 2014-12-17 | 宁波狮球通风机电有限公司 | Motor for fan |
| CN104218718B (en) * | 2013-05-30 | 2016-12-28 | 宁波狮球通风机电有限公司 | Electric machine for fan |
| CN103742430A (en) * | 2013-12-19 | 2014-04-23 | 浙江双双制冷设备有限公司 | Motor assembly for centrifugal fan |
| CN103742430B (en) * | 2013-12-19 | 2015-05-27 | 浙江双双制冷设备有限公司 | Motor assembly for centrifugal fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2207466Y (en) | Disc type permanent magnet synchronous low-noise transformer fan | |
| CN2245820Y (en) | Switch magnetic drag electric machine | |
| CN2263412Y (en) | Rotor suitable for self-starting permanent-magnet synchronous submersible electric machine with oil | |
| CN2459815Y (en) | Multi-function motor | |
| CN2579066Y (en) | Axial-flow fan motor | |
| CN2292924Y (en) | Magnetic suspension electric fan | |
| CN2180020Y (en) | Permanent-magnet synchronous motor for air conditioner compressor | |
| CN2664267Y (en) | Low-voltage high-power wound rotor motor for hoisting and metallurgy | |
| CN2582262Y (en) | Double-surface and spiral-winding motor | |
| CN2198712Y (en) | Disk external rotary double rotor three phase asynchronous motor | |
| CN2059033U (en) | Low-noise motor for centrifugal ventilation fan | |
| CN2538092Y (en) | High efficiency energy saving motor for oil pumping unit | |
| CN2139749Y (en) | Twins type energy-saving induction motor | |
| CN2341318Y (en) | Cup-electrode motor | |
| CN2277597Y (en) | AC induction motor | |
| CN201054517Y (en) | Lanthanon permanent magnetic three-phase synchronization electromotor | |
| CN2382162Y (en) | Large plastic sealed motor for air conditioner | |
| CN2219562Y (en) | Double-controlled ac stepless speed-regulating motor | |
| CN2285533Y (en) | Permanent magnet rotor | |
| CN2282297Y (en) | Coaxial split power squirrel-cage asynchronous motor | |
| CN2292353Y (en) | Magnetic force added asynchronous motor | |
| CN2277143Y (en) | Special 3-speed asynchronous brake electric motor for tower crane | |
| CN2485863Y (en) | D.C. permanent magnetic moment motor with inner circular reverser | |
| CN116846172A (en) | Energy-saving high-efficiency motor | |
| CN2318435Y (en) | Disk integral fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |