CN201839175U - High-tension compact type low-noise three-phase asynchronous motor - Google Patents
High-tension compact type low-noise three-phase asynchronous motor Download PDFInfo
- Publication number
- CN201839175U CN201839175U CN201020583518XU CN201020583518U CN201839175U CN 201839175 U CN201839175 U CN 201839175U CN 201020583518X U CN201020583518X U CN 201020583518XU CN 201020583518 U CN201020583518 U CN 201020583518U CN 201839175 U CN201839175 U CN 201839175U
- Authority
- CN
- China
- Prior art keywords
- shield tube
- end shield
- noise
- rotating shaft
- fan
- 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
Images
Abstract
The utility model discloses a high-tension compact type low-noise three-phase asynchronous motor comprising a base, and a rotor and a stator in the base, wherein the exterior and the rear end of the base are respectively provided with a radiating rib and an end shield tube; the outer edge of the inner wall at the front end of the end shield tube is provided with an air outlet corresponding to the rear end of the radiating rib; the stator is in interference fit with the base; the rotor consists of a rotating shaft and a rotor iron core arranged on the rotating shaft; two ends of the rotating shaft are rotatably connected with the base; the rear part of the rotating shaft is provided with an inner air guide tube, an inner fan and an outer fan; the inner air guide tube and the inner fan are positioned in the base, the outer fan is positioned in the end shield tube, and the inner guide tube is positioned between the inner fan and the rotor iron core; the rear end of the end shield tube is provided with a blind plate; and the periphery of the side surface of the end shield tube is provided with air inlets. With the utility model, the noise of the 2P high-tension compact type motor can be lower than 85dB that is noise limit of the international environment-friendly requirement; the high-tension compact type low-noise three-phase asynchronous motor can also be applied to a 4P motor with high rotating speed, fully reduces the noise, is beneficial to physical and psychological health of working staff, is strong in practicability and facilitates promotion and application.
Description
Technical field
The utility model relates to a kind of motor, relates in particular to a kind of high pressure compact low noise threephase asynchronous.
Background technology
High-voltage three-phase asynchronous motor has rotating speed height (3000 rev/mins of 50Hz synchronous speeds, 3600 rev/mins of 60Hz synchronous speeds), high-power characteristics, but noise is generally higher, badly influence staff's physical and mental health on every side, the factor of the generation noise of this type of motor is a lot, and the noise that wherein ventilate to produce is main factor, and the noise that produces of ventilating to be air inlet by motor be located at this structure of end shield tube tail end causes.In addition, for the high pressure compact electrical motor, since the compact conformation of motor, the heat radiation difficulty, thereby fan is bigger, has also caused the bigger odjective cause of high pressure compact electrical motor noise.
The utility model content
The utility model provides a kind of high pressure compact low noise threephase asynchronous in order to solve weak point of the prior art.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: high pressure compact low noise threephase asynchronous, comprise support, rotor and stator in the support, base outer and rear end are respectively equipped with radiating ribs and end shield tube, end shield tube front inner wall outer rim is provided with the air outlet corresponding with the radiating ribs rear end, stator and support interference fit, rotor comprises rotating shaft and is located at rotor core in the rotating shaft, rotating shaft two ends and support are rotationally connected, the rotating shaft rear portion is provided with interior ventilating duct, internal fan and external fan, interior ventilating duct and internal fan are positioned at support, external fan is positioned at the end shield tube, interior ventilating duct is between internal fan and rotor core, and described end shield tube rear end is provided with blind plate, and the side circumference of end shield tube is provided with air inlet.
Be provided with kuppe in the described end shield tube, the kuppe front end is fixedlyed connected with end shield tube inwall by the annular dividing plate, and this junction is positioned at the air inlet front side, and the kuppe rear end is provided with interior ventilating duct, and external fan is located in the interior ventilating duct.
Described blind plate inwall, end shield tube inwall are provided with the quieter material layer.
Described kuppe outer wall is provided with the quieter material layer.
Described end shield tube front end extends forward with radiating ribs and overlaps.
Adopt technique scheme, can reach following beneficial effect:
1, blind plate shutoff end shield tube rear end, air inlet is arranged on the side circumference of end shield tube, and periphery dispersion air intake efficiently solves conventional motors tail end air intake and causes the king-sized problem of tail end noise.
2, in the end shield tube kuppe and inner draft tube are set, are extended greatly in the path of wind in the end shield tube, further reduce noise.
3, blind plate inwall, end shield tube inwall and kuppe outer wall are equipped with the quieter material layer, effectively reduce noise when wind is surperficial through it.
4, end shield tube front end and radiating ribs have certain lap of splice to promote wind axis to flowing, and guarantee the good heat radiating of support.
The utility model can improve on existing motor basis and get final product, make 2P high pressure compact electrical motor noise all can reach the noise limit that is lower than this international environmental requirement of 85dB (A), also can be applied to high-revolving 4P motor (1500 rev/mins of 50Hz synchronous speeds, 1800 rev/mins of 60Hz synchronous speeds).The utility model is reasonable in design, simple in structure, has fully reduced noise, is of value to staff's physical and mental health on every side, and is practical, easy to utilize.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, high pressure compact low noise threephase asynchronous of the present utility model, comprise support 1, rotor 2 and stator 3 in the support 1, support 1 outside and rear end are respectively equipped with radiating ribs 4 and end shield tube 5, end shield tube 5 front ends extend forward and radiating ribs 4 overlap joints, end shield tube 5 front inner wall outer rims are provided with the air outlet 6 corresponding with radiating ribs 4 rear ends, stator 3 and support 1 interference fit, rotor 2 comprises rotating shaft 7 and the rotor core 8 that is located in the rotating shaft 7, rotating shaft 7 two ends are rotationally connected by bearing arrangement 20 and support 1, rotating shaft 7 rear portions are provided with interior ventilating duct 9, internal fan 10 and external fan 11, interior ventilating duct 9 and internal fan 10 are positioned at support, external fan 11 is positioned at end shield tube 5, external fan 11 adopts the propeller type aerofoil fan, interior ventilating duct 9 is between internal fan 10 and rotor core 8, and described end shield tube 5 rear ends are provided with blind plate 12, and the side circumference of end shield tube 5 is provided with air inlet 13.Be provided with kuppe 14 in the end shield tube 5, kuppe 14 is pre-large post-small pyramidal structure, and kuppe 14 front ends are fixedlyed connected with end shield tube 5 inwalls by annular dividing plate 15, and this junction is positioned at air inlet 13 front sides, kuppe 14 rear ends are provided with interior ventilating duct 16, and external fan 11 is located in the interior ventilating duct 16.Be provided with quieter material layer 17 at blind plate 12 inwalls, end shield tube 5 inwalls are provided with quieter material layer 18, and kuppe 14 outer walls are provided with quieter material layer 19.Quieter material layer 17, quieter material layer 18, quieter material layer 19 are made by the noise reduction cotton.Certainly, kuppe 14 also can be cylinder-like structure.
When work is used, under the effect of external fan 11, wind is after air inlet 13 enters in the end shield tube 5, kuppe 14 along internal layer flows, pass through interior ventilating duct 16 again, the path of this wind that not only extended, the quieter material layer 17 that in the wind flow process, is provided with simultaneously through blind plate 12 inwalls, the quieter material layer 18 that end shield tube 5 inwalls are provided with, the quieter material layer 19 that kuppe 14 outer walls are provided with and constantly reduce noise.After wind blows out by air outlet 6, the heat on support 1 and radiating ribs 4 surfaces is blown away leave.Arrow points is a wind direction among the figure.
Claims (5)
1. high pressure compact low noise threephase asynchronous, comprise support, rotor and stator in the support, base outer and rear end are respectively equipped with radiating ribs and end shield tube, end shield tube front inner wall outer rim is provided with the air outlet corresponding with the radiating ribs rear end, stator and support interference fit, rotor comprises rotating shaft and is located at rotor core in the rotating shaft, rotating shaft two ends and support are rotationally connected, the rotating shaft rear portion is provided with interior ventilating duct, internal fan and external fan, interior ventilating duct and internal fan are positioned at support, external fan is positioned at the end shield tube, interior ventilating duct is between internal fan and rotor core, it is characterized in that: described end shield tube rear end is provided with blind plate, and the side circumference of end shield tube is provided with air inlet.
2. high pressure compact low noise threephase asynchronous according to claim 1, it is characterized in that: be provided with kuppe in the described end shield tube, the kuppe front end is fixedlyed connected with end shield tube inwall by the annular dividing plate, this junction is positioned at the air inlet front side, the kuppe rear end is provided with interior ventilating duct, and external fan is located in the interior ventilating duct.
3. high pressure compact low noise threephase asynchronous according to claim 1 is characterized in that: described blind plate inwall, end shield tube inwall are provided with the quieter material layer.
4. high pressure compact low noise threephase asynchronous according to claim 2, it is characterized in that: described kuppe outer wall is provided with the quieter material layer.
5. high pressure compact low noise threephase asynchronous according to claim 1 is characterized in that: described end shield tube front end extends forward with radiating ribs and overlaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020583518XU CN201839175U (en) | 2010-10-29 | 2010-10-29 | High-tension compact type low-noise three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020583518XU CN201839175U (en) | 2010-10-29 | 2010-10-29 | High-tension compact type low-noise three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201839175U true CN201839175U (en) | 2011-05-18 |
Family
ID=44009275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020583518XU Expired - Fee Related CN201839175U (en) | 2010-10-29 | 2010-10-29 | High-tension compact type low-noise three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201839175U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102647063A (en) * | 2012-04-25 | 2012-08-22 | 中国船舶重工集团公司第七0四研究所 | Low-vibration and low-noise small-and-medium-sized asynchronous motor |
| CN103516136A (en) * | 2013-10-09 | 2014-01-15 | 中达电机股份有限公司 | Explosion-proof efficient ventilation system of electromotor |
| WO2018195788A1 (en) * | 2017-04-26 | 2018-11-01 | 罗伯特·博世有限公司 | Motor |
| CN110752701A (en) * | 2019-10-29 | 2020-02-04 | 常州机电职业技术学院 | Low-noise aluminum shell motor with sound absorption cover |
-
2010
- 2010-10-29 CN CN201020583518XU patent/CN201839175U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102647063A (en) * | 2012-04-25 | 2012-08-22 | 中国船舶重工集团公司第七0四研究所 | Low-vibration and low-noise small-and-medium-sized asynchronous motor |
| CN103516136A (en) * | 2013-10-09 | 2014-01-15 | 中达电机股份有限公司 | Explosion-proof efficient ventilation system of electromotor |
| WO2018195788A1 (en) * | 2017-04-26 | 2018-11-01 | 罗伯特·博世有限公司 | Motor |
| CN110313117A (en) * | 2017-04-26 | 2019-10-08 | 罗伯特·博世有限公司 | Motor |
| US11264860B2 (en) | 2017-04-26 | 2022-03-01 | Robert Bosch Gmbh | Motor |
| CN110752701A (en) * | 2019-10-29 | 2020-02-04 | 常州机电职业技术学院 | Low-noise aluminum shell motor with sound absorption cover |
| CN110752701B (en) * | 2019-10-29 | 2020-10-27 | 常州机电职业技术学院 | Low-noise aluminum shell motor with sound absorption cover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201839175U (en) | High-tension compact type low-noise three-phase asynchronous motor | |
| CN104729041A (en) | Guide ring, air duct structure and air-conditioner indoor cabinet | |
| CN202612148U (en) | Turbo fan | |
| CN204074193U (en) | A kind of shredder worked long hours | |
| CN203761182U (en) | Ventilating device capable of lowering heat of large motor stator | |
| CN209686307U (en) | Garden hair dryer | |
| CN201122878Y (en) | Novel ventilation flue low-voltage three phase asynchronous motor | |
| CN103277254A (en) | Pipe flow direct-drive power generating device | |
| CN203104209U (en) | Dust collector motor cooling structure provided with wind guide sleeve | |
| CN203278544U (en) | Automobile alternating-current generator | |
| CN206246287U (en) | A kind of wind power generating set with wheel hub Yu generator outer rotor composite construction | |
| CN209621677U (en) | Blower with sectional casing | |
| CN108361224A (en) | The equivalent axial flow blower aerofoil profile of forward and reverse rotation aerodynamic property retention | |
| CN201650809U (en) | Three-impeller rectifying axial flow fan specially used for subway traction motor brake cooling system | |
| CN206694281U (en) | A kind of self-cooled blower fan | |
| CN203257608U (en) | Pipe flow direct-drive type power generating device | |
| CN209344947U (en) | The wind path structure of IP23 high efficiency motor | |
| CN202707534U (en) | Front curve type ventilator for electric locomotive composite cooler | |
| CN106208499A (en) | A kind of full-enclosed permanent-magnet motor ventilation cooling structure | |
| CN103016369A (en) | Novel axial-flow fan with small-aspect-ratio blades having obliquely-cut and twisted blade roots | |
| CN208057505U (en) | The equivalent axial flow blower aerofoil profile of forward and reverse rotation aerodynamic property retention | |
| CN201650810U (en) | Three-impeller steady-flow axial flow fan specially used for subway traction motor brake cooling system | |
| CN207750261U (en) | Efficient mute micro-motor flow fan | |
| CN202560631U (en) | Fan for direct current (DC) motor | |
| CN202493497U (en) | Interior pressure diffusion structure of no-shell fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20151029 |
|
| EXPY | Termination of patent right or utility model |