CN102624150A - Low-noise totally-sealed internal cooling system for medium and small-sized motor - Google Patents
Low-noise totally-sealed internal cooling system for medium and small-sized motor Download PDFInfo
- Publication number
- CN102624150A CN102624150A CN2012101230675A CN201210123067A CN102624150A CN 102624150 A CN102624150 A CN 102624150A CN 2012101230675 A CN2012101230675 A CN 2012101230675A CN 201210123067 A CN201210123067 A CN 201210123067A CN 102624150 A CN102624150 A CN 102624150A
- Authority
- CN
- China
- Prior art keywords
- fan
- stator
- size
- fan cover
- small
- 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
Images
Landscapes
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to a low-noise totally-sealed internal cooling system for a medium and small-sized motor. The system comprises a stator and a fan. Axial vent holes are formed in the stator. The stator consists of an integrated shell core and a stator winding embedded into the core. The integrated shell core is formed by laminating laminations with axial vent holes. The fan is a plano-convex wing type axial flow fan. A fan cover is covered outside the fan, and consists of a fan cover window, a sound absorption layer, a porous plate and a fan cover ring. Each of the fan cover window and the fan cover ring has an octagonal structure formed by splicing and welding steel plates. The sound absorption layer is laid between every two of the fan cover window, the fan cover ring and the porous plate respectively. Cooling efficiency is improved, an air volume required by the cooling of the motor is reduced, and aerodynamic noise and vibration generated by the noise are reduced. A model machine test result shows that a novel asynchronous motor has cooling efficiency which is about 5 percent higher than that of a similar ordinary asynchronous motor and air noise which is 16dB(A) lower than that of the similar ordinary asynchronous motor.
Description
Technical field
The present invention relates to a kind of middle-size and small-size motor, specifically is a kind of inner-cooled cooling system that iron core, winding produce the middle-size and small-size motor of heat that is used to take away.
Background technology
Small and middle induction motors cooling system traditional in the prior art adopts outer cooling form.The heat of rotor winding and iron core generation passes through heat transmission and passes to support, through the wind direction external world distribute heat of the radiating ribs on the support by the centrifugal fan generation.Have certain clearance between stator core and the support, cause hot transmission loss, radiating efficiency is not high, and the noise that is produced by the fan high speed rotating is bigger.
Summary of the invention
The present invention is in order to improve middle-size and small-size motor cooling efficient, to reduce required cooling air quantity, to improve power of motor density, reducing noise of motor, and provide a kind of middle-size and small-size motor low noise totally-enclosed inner-cooled cooling system.
For realizing above-mentioned purpose, scheme of the present invention is: the totally-enclosed inner-cooled cooling system of a kind of middle-size and small-size motor low noise, comprise stator, and fan is characterized in: axial ventilation hole is set on the stator.
Stator is made up of integrated housing iron core and the stator winding that is inlaid on the iron core, and integrated housing iron core is overrided to form by the punching that has axial ventilation hole.
Fan is a plano-convex aerofoil profile aerofoil fan.
The fan outside is covered with fan housing, and fan housing is made up of fan housing window, absorbent treatment, porous plate and fan housing circle, the eight-sided formation that fan housing window and fan housing circle form by the steel plate welding; Between fan housing window, fan housing circle and porous plate, be covered with absorbent treatment respectively.
The invention has the beneficial effects as follows:
The efficient cooling system of the novel enclosed of middle-size and small-size motor of the present invention has adopted the iron core integrated structure of brand-new housing; On the complete iron core integrated structure of lamination housing, axial ventilation hole is set; To replace the radiating ribs on the conventional motor casing; Avoid the hot transmission loss that causes because of the gap between conventional asynchronous motor stator iron core and casing, improved radiating efficiency; Adopt the plano-convex aerofoil profile tube-axial fan of optimal design to replace general centrifugal fan, improved drafting efficiency, reduced aerodynamic noise; Adopt the integrated compound sound-absorption structural fan housing of forming by outer cover, sound-absorbing material and porous plate, reduced the aerodynamic noise that produces because of the fan high speed rotating.
The efficient cooling system of the novel enclosed of middle-size and small-size motor of the present invention has improved cooling effectiveness, reduces motor and cools off required air quantity, has reduced aerodynamic noise and consequent vibration.Prototyping testing is the result show, adopts the new type asynchronous motor of the present invention's design, and it is about 5% that its cooling effectiveness is approximately higher than similar common asynchronous electric, and the more similar normal asynchronous of its airborne noise has reduced 16dB (A).
Description of drawings
Fig. 1 is a structure cutaway view of the present invention;
Fig. 2 is the cutaway view of integrated housing iron core;
Fig. 3 is the core stamping plane graph that has axial ventilation hole;
Fig. 4 is the tube-axial fan structural front view;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the fan housing structure cutaway view;
Fig. 7 is the left view of Fig. 6.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
As shown in Figure 1, the totally-enclosed inner-cooled cooling system of middle-size and small-size motor low noise of the present invention comprises stator 5, fan 6, fan housing 7 etc.Axial ventilation hole 8 is set on the stator 5.Fan 6 outsides are covered with fan housing 7.
Wherein the direction of arrow is the wind path trend.Tube-axial fan 6, is taken the heat of motor out of through the axial ventilation hole of integrated housing iron core the cold wind suction through the fan housing window, gets in the extraneous air.
As shown in Figure 2, stator 5 is made up of integrated housing iron core and the stator winding that is inlaid on the iron core.Integrated housing iron core (Fig. 3) is overrided to form by the punching that has axial ventilation hole.Housing iron core integral structure avoids hot transmission loss to improve the radiating efficiency of whole motor.
Like Fig. 4, shown in 5, adopted the plano-convex aerofoil profile aerofoil fan 6 of optimal design to replace general centrifugal fan, can reduce the wind abrasion significantly, improve aerodynamic efficiency, reduce noise of motor.
Like Fig. 6, shown in 7, fan housing 7 is made up of fan housing window 1, absorbent treatment 2, porous plate 3 and fan housing circle 4.Fan housing window 1 all is the eight-sided formation that formed by the steel plate welding with fan housing circle 4; Porous plate 3 is to be formed by the welding of polylith stephanoporate steel plate; Between fan housing window 1, fan housing circle 4 and porous plate, be covered with the absorbent treatment of forming by sound-absorbing material.
Claims (4)
1. the one kind middle-size and small-size totally-enclosed inner-cooled cooling system of motor low noise comprises stator (5), and fan (6) is characterized in that: axial ventilation hole (8) is set on the said stator (5).
2. the totally-enclosed inner-cooled cooling system of middle-size and small-size motor low noise according to claim 1; It is characterized in that: said stator (5) is made up of integrated housing iron core and the stator winding that is inlaid on the iron core, and integrated housing iron core is overrided to form by the punching that has axial ventilation hole.
3. the totally-enclosed inner-cooled cooling system of middle-size and small-size motor low noise according to claim 1 is characterized in that: said fan (6) is a plano-convex aerofoil profile tube-axial fan.
4. according to claim 1 or the totally-enclosed inner-cooled cooling system of 3 described middle-size and small-size motor low noises; It is characterized in that: said fan (6) outside is covered with fan housing (7); Fan housing (7) is made up of fan housing window (1), absorbent treatment (2), porous plate (3) and fan housing circle (4), the eight-sided formation that fan housing window (1) and fan housing circle (4) form by the steel plate welding; Between fan housing window (1), fan housing circle (4) and porous plate (3), be covered with absorbent treatment respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101230675A CN102624150A (en) | 2012-04-25 | 2012-04-25 | Low-noise totally-sealed internal cooling system for medium and small-sized motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101230675A CN102624150A (en) | 2012-04-25 | 2012-04-25 | Low-noise totally-sealed internal cooling system for medium and small-sized motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102624150A true CN102624150A (en) | 2012-08-01 |
Family
ID=46563877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101230675A Pending CN102624150A (en) | 2012-04-25 | 2012-04-25 | Low-noise totally-sealed internal cooling system for medium and small-sized motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102624150A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811661A (en) * | 2016-03-31 | 2016-07-27 | 中车永济电机有限公司 | Single-bearing fully-enclosed self-ventilated motor |
| CN106385122A (en) * | 2016-09-20 | 2017-02-08 | 北京交通大学 | Honeycomb-type closed ventilation cooling device for motor |
| CN108390496A (en) * | 2017-02-03 | 2018-08-10 | 阿尔斯通运输科技公司 | Especially it is used for the noiseless self-ventilation motor of rail vehicle |
| CN112134406A (en) * | 2020-09-04 | 2020-12-25 | 孙永林 | Double-fan-swinging heat dissipation type motor based on self-vibration phenomenon |
| CN112713678A (en) * | 2020-12-21 | 2021-04-27 | 中车永济电机有限公司 | Internal and external alternating type totally-enclosed water cooling structure applied to permanent magnet traction motor |
| WO2022137211A1 (en) * | 2020-12-24 | 2022-06-30 | Entuple E-Mobility Private Limited | Induction motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2324690Y (en) * | 1998-01-07 | 1999-06-16 | 吕永君 | Integral four-in-one television |
| JP2001095203A (en) * | 1999-09-24 | 2001-04-06 | Ryobi Ltd | Cooling structure for small-sized motor |
| CN201234183Y (en) * | 2008-07-08 | 2009-05-06 | 无锡华达电机有限公司 | Noise lowering ventilation apparatus for motor |
| CN101783555A (en) * | 2009-01-19 | 2010-07-21 | 江门金羚电机有限公司 | Small-power motor with internal air-cooling system |
| CN101865153A (en) * | 2009-04-20 | 2010-10-20 | 无锡市中达电机有限公司 | Fan shell of motor |
| CN202550801U (en) * | 2012-04-25 | 2012-11-21 | 中国船舶重工集团公司第七0四研究所 | Low-noise fully-enclosed internally-cooled cooling system for small/medium-sized motor |
-
2012
- 2012-04-25 CN CN2012101230675A patent/CN102624150A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2324690Y (en) * | 1998-01-07 | 1999-06-16 | 吕永君 | Integral four-in-one television |
| JP2001095203A (en) * | 1999-09-24 | 2001-04-06 | Ryobi Ltd | Cooling structure for small-sized motor |
| CN201234183Y (en) * | 2008-07-08 | 2009-05-06 | 无锡华达电机有限公司 | Noise lowering ventilation apparatus for motor |
| CN101783555A (en) * | 2009-01-19 | 2010-07-21 | 江门金羚电机有限公司 | Small-power motor with internal air-cooling system |
| CN101865153A (en) * | 2009-04-20 | 2010-10-20 | 无锡市中达电机有限公司 | Fan shell of motor |
| CN202550801U (en) * | 2012-04-25 | 2012-11-21 | 中国船舶重工集团公司第七0四研究所 | Low-noise fully-enclosed internally-cooled cooling system for small/medium-sized motor |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811661A (en) * | 2016-03-31 | 2016-07-27 | 中车永济电机有限公司 | Single-bearing fully-enclosed self-ventilated motor |
| CN106385122A (en) * | 2016-09-20 | 2017-02-08 | 北京交通大学 | Honeycomb-type closed ventilation cooling device for motor |
| CN108390496A (en) * | 2017-02-03 | 2018-08-10 | 阿尔斯通运输科技公司 | Especially it is used for the noiseless self-ventilation motor of rail vehicle |
| CN108390496B (en) * | 2017-02-03 | 2022-08-09 | 阿尔斯通运输科技公司 | Noiseless self-ventilating motor, in particular for rail vehicles |
| CN112134406A (en) * | 2020-09-04 | 2020-12-25 | 孙永林 | Double-fan-swinging heat dissipation type motor based on self-vibration phenomenon |
| CN112134406B (en) * | 2020-09-04 | 2021-12-14 | 淮北中易光电科技有限公司 | Double-fan-swinging heat dissipation type motor based on self-vibration phenomenon |
| CN112713678A (en) * | 2020-12-21 | 2021-04-27 | 中车永济电机有限公司 | Internal and external alternating type totally-enclosed water cooling structure applied to permanent magnet traction motor |
| CN112713678B (en) * | 2020-12-21 | 2022-08-05 | 中车永济电机有限公司 | Internal and external alternating type totally-enclosed water cooling structure applied to permanent magnet traction motor |
| WO2022137211A1 (en) * | 2020-12-24 | 2022-06-30 | Entuple E-Mobility Private Limited | Induction motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102624150A (en) | Low-noise totally-sealed internal cooling system for medium and small-sized motor | |
| JP5358667B2 (en) | Permanent magnet generator | |
| CN203707931U (en) | Ceiling fan motor | |
| CN106451864B (en) | Permanent magnet traction motor mixed ventilation cooling system and method | |
| CN103746485A (en) | Rotor cooling structure of permanent magnet synchronous motor | |
| CN212033942U (en) | Motor and wind generating set | |
| CN104079120A (en) | Electric automobile water-cooled motor | |
| CN203243182U (en) | Motor with structure comprising internal air path and external air path | |
| CN102647063A (en) | Low-vibration and low-noise small-and-medium-sized asynchronous motor | |
| CN204046357U (en) | A kind of electric automobile water-cooled machine | |
| CN112383194B (en) | Self-cooling axial flux motor with built-in centrifugal fan | |
| CN202550801U (en) | Low-noise fully-enclosed internally-cooled cooling system for small/medium-sized motor | |
| CN104578649A (en) | Axial direction sectional type motor rotor with arc-shaped air deflectors | |
| CN205901528U (en) | Refrigerator utensils electric blower and freezing machine | |
| CN201226483Y (en) | Rotor structure for high-power variable-frequency control three-phase asynchronous motor | |
| CN204992998U (en) | Self cooling PMSM of special power assisted steering of new energy automobile | |
| CN203257608U (en) | Pipe flow direct-drive type power generating device | |
| CN104917349A (en) | Power-assisted steering high-efficiency high-reliability self-cooling permanent-magnet synchronous motor especially for new energy automobile | |
| CN202172334U (en) | Heat dissipation rotor structure with dual inner fans and high-voltage three-phase asynchronous motor thereof | |
| CN202187864U (en) | Megawatt grade external electric excitation direct driving wind driven generator | |
| CN107612254A (en) | A kind of squirrel-cage energy-saving electric machine | |
| CN202634221U (en) | Small and medium-sized asynchronous motor with low vibration and low noise | |
| CN102122870A (en) | 5 MW direct-driven permanent magnet wind generator with dual rotors, dual stators and dual air gaps | |
| CN202384865U (en) | Overall rotor sheet structure of high-speed generator non-salient pole | |
| CN106655559B (en) | Three-phase motor of dust collector structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120801 |