CN104836347A - Low-noise motor structure and denoising method - Google Patents
Low-noise motor structure and denoising method Download PDFInfo
- Publication number
- CN104836347A CN104836347A CN201510281528.5A CN201510281528A CN104836347A CN 104836347 A CN104836347 A CN 104836347A CN 201510281528 A CN201510281528 A CN 201510281528A CN 104836347 A CN104836347 A CN 104836347A
- Authority
- CN
- China
- Prior art keywords
- stator
- rotor
- rear end
- noise
- motor structure
- 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
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a low-noise motor structure and a denoising method. The structure includes a front end cover (2), a stator (4) and a rear end cover (5), the front end of the stator (4) is limited on the front end cover (5), the rear end of the stator (4) is limited on the rear end cover (5), and an outer wall of a middle segment of the stator (4) is exposed between the front end cover (2) and the rear end cover (5); and the stator (4) is internally provided with a rotor assembly, the rotor assembly and the stator are arranged in a staggered manner, and the dislocation distance is 1 to 1.5mm. The low-noise motor structure can prevent axial movement of the rotor assembly occurs when a motor works, thereby reducing noise generated by vibration of the motor, and a heat dissipation effect and stability can also be improved.
Description
Technical field
the present invention relates to a kind of electric machine structure field, particularly a kind of low noise motor structure and noise-reduction method.
Background technology
in prior art, motor generally includes housing, housing two ends are connected to front end housing, rear end cap, the outer wall of housing is also provided with fin, inner walls forms cylindrical cavity, rotor assembly is equiped with in cylindrical cavity, rotor assembly comprises main shaft, is sheathed on main shaft and the rotor be fixedly connected with it, and rear end cap and main shaft junction are provided with clutch shaft bearing, and front end housing and main shaft junction are provided with the second bearing.After long-time use, find that the motor of this structure exists following defect: when one, machine operation, rotor assembly there will be axial endplay thus causes motor oscillating to produce noise; Two, heat radiation structure design is unreasonable, causes motor internal temperature too high, thus reduces the stability of machine operation.
Summary of the invention
the object of the invention is to, a kind of low noise motor structure and noise-reduction method are provided.When the present invention can prevent machine operation there is axial endplay thus reduce the noise that motor oscillating produces in rotor assembly, can also improve radiating effect, improve stability.
technical scheme of the present invention: a kind of low noise motor structure, it is characterized in that: comprise front end housing, stator and rear end cap, the front end of described stator is spacing on described front end housing, the rear end of described stator is spacing on described rear end cap, and the outer wall dew in described stator stage casing is put between front end housing and rear end cap; Be provided with rotor assembly in described stator, described rotor assembly and stator shift to install, and described dislocation distance is 1-1.5mm.
in aforesaid low noise motor structure, described dislocation distance is 1.2-1.4mm.
in aforesaid low noise motor structure, described rotor assembly comprises rotor, and rotor center is provided with main shaft, and main shaft two ends are located on front end housing and rear end cap through bearing bracket stand.
according to the noise-reduction method of aforesaid low noise motor structure, it is characterized in that: by rotor relative to 1-1.5mm in stator mistake, rotor airgap effective length reduces, the corresponding reduction of noise; Magnetic field and the magnetic field that rotor is responded to also corresponding dislocation that stator produces, rotor can produce a downward pulling force in axis, after interacting, effectively can reduce the vibration of motor, thus reduce noise further, improve motor result of use with corrugated gasket.
compared with prior art, the present invention is by rotor relative to 1-1.5mm in stator mistake, and rotor airgap effective length reduces, the corresponding reduction of noise; Magnetic field and the magnetic field that rotor is responded to also corresponding dislocation that stator produces, rotor can produce a downward pulling force in axis, after interacting, effectively can reduce the vibration of motor, thus reduce noise further, improve motor result of use with corrugated gasket.Also put between front end housing and rear end cap by the outer wall in stator stage casing dew, thermal diffusivity is better, improves the stability of motor.The present invention also has enforcement structure feature simple and easy to use.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention.
being labeled as in accompanying drawing: 1-main shaft, 2-front end housing, 3-rotor, 4-stator, 5-rear end cap.
Embodiment
below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.
embodiment.A kind of low noise motor structure, form as shown in Figure 1, comprise front end housing 2, stator 4 and rear end cap 5, the front end of described stator 4 is spacing on described front end housing 5, the rear end of described stator 4 is spacing on described rear end cap 5, and the outer wall dew in described stator 4 stage casing is put between front end housing 2 and rear end cap 5; Be provided with rotor assembly in described stator 4, described rotor assembly and stator shift to install, and described dislocation distance h is 1-1.5mm.
described dislocation distance h is 1.2-1.4mm.
described rotor assembly comprises rotor 3, and rotor 3 center is provided with main shaft 1, and main shaft 1 two ends are located on front end housing 2 and rear end cap 5 through bearing bracket stand.
described rotor assembly and stator shift to install, and be that rotor and stator shift to install, dislocation distance h is 1-1.5mm.Rotor is relative to stator end cap dislocation 1-1.5mm forward.
according to the noise-reduction method of above-mentioned low noise motor structure, by rotor relative to 1-1.5mm in stator mistake, rotor airgap effective length reduces, the corresponding reduction of noise; Magnetic field and the magnetic field that rotor is responded to also corresponding dislocation that stator produces, rotor can produce a downward pulling force in axis, after interacting, effectively can reduce the vibration of motor, thus reduce noise further, improve motor result of use with corrugated gasket.
also put between front end housing and rear end cap by the outer wall in stator stage casing dew, thermal diffusivity is better, improves the stability of motor.The present invention also has enforcement structure feature simple and easy to use.
Claims (4)
1. a low noise motor structure, it is characterized in that: comprise front end housing (2), stator (4) and rear end cap (5), the front end of described stator (4) is spacing on described front end housing (5), the rear end of described stator (4) is spacing on described rear end cap (5), and the outer wall dew in described stator (4) stage casing is put between front end housing (2) and rear end cap (5); Described stator is provided with rotor assembly in (4), and described rotor assembly and stator shift to install, and described dislocation distance is 1-1.5mm.
2. low noise motor structure according to claim 1, is characterized in that: described dislocation distance is 1.2-1.4mm.
3. low noise motor structure according to claim 1, is characterized in that: described rotor assembly comprises rotor (3), and rotor (3) center is provided with main shaft (1), and main shaft (1) two ends are located on front end housing (2) and rear end cap (5) through bearing bracket stand.
4. the noise-reduction method of the low noise motor structure according to claim 1,2 or 3, is characterized in that: by rotor relative to 1-1.5mm in stator mistake, and rotor airgap effective length reduces, the corresponding reduction of noise; Magnetic field and the magnetic field that rotor is responded to also corresponding dislocation that stator produces, rotor can produce a downward pulling force in axis, after interacting, effectively can reduce the vibration of motor, thus reduce noise further, improve motor result of use with corrugated gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510281528.5A CN104836347A (en) | 2015-05-28 | 2015-05-28 | Low-noise motor structure and denoising method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510281528.5A CN104836347A (en) | 2015-05-28 | 2015-05-28 | Low-noise motor structure and denoising method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104836347A true CN104836347A (en) | 2015-08-12 |
Family
ID=53814041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510281528.5A Pending CN104836347A (en) | 2015-05-28 | 2015-05-28 | Low-noise motor structure and denoising method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104836347A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162629A (en) * | 2020-01-17 | 2020-05-15 | 天津飞旋科技有限公司 | Method for arranging stator and rotor of magnetic suspension motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202696333U (en) * | 2012-05-25 | 2013-01-23 | 常州富兴机电有限公司 | Axial rotor fixing structure |
| CN202997883U (en) * | 2012-12-17 | 2013-06-12 | 上海德驱驰电气有限公司 | Three-phase asynchronous motor |
| CN203596688U (en) * | 2013-10-25 | 2014-05-14 | 宁波东力机械制造有限公司 | Roller-way motor front-back bearing mounting structure |
| CN204025053U (en) * | 2014-06-27 | 2014-12-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner |
| CN204615519U (en) * | 2015-05-28 | 2015-09-02 | 湖州越球电机有限公司 | A kind of low noise motor structure |
-
2015
- 2015-05-28 CN CN201510281528.5A patent/CN104836347A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202696333U (en) * | 2012-05-25 | 2013-01-23 | 常州富兴机电有限公司 | Axial rotor fixing structure |
| CN202997883U (en) * | 2012-12-17 | 2013-06-12 | 上海德驱驰电气有限公司 | Three-phase asynchronous motor |
| CN203596688U (en) * | 2013-10-25 | 2014-05-14 | 宁波东力机械制造有限公司 | Roller-way motor front-back bearing mounting structure |
| CN204025053U (en) * | 2014-06-27 | 2014-12-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner |
| CN204615519U (en) * | 2015-05-28 | 2015-09-02 | 湖州越球电机有限公司 | A kind of low noise motor structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162629A (en) * | 2020-01-17 | 2020-05-15 | 天津飞旋科技有限公司 | Method for arranging stator and rotor of magnetic suspension motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5955155B2 (en) | Brushless motor | |
| CN203660735U (en) | Low-noise motor | |
| EP2860854A3 (en) | Air cooling of a motor using radially mounted fan | |
| CN102983643A (en) | Self-cleaning motor structure | |
| CN204046321U (en) | With the automobile current generator of baffler | |
| CN104836347A (en) | Low-noise motor structure and denoising method | |
| CN204615519U (en) | A kind of low noise motor structure | |
| CN203942406U (en) | A kind of plastic packaging motor | |
| CN104079090A (en) | Rotor assembly provided with rotor magnet ring | |
| CN102447340B (en) | Bearing chamber structure for end cap of motor | |
| CN203554101U (en) | Solid rotor iron core structure | |
| CN102891550B (en) | A kind of surface-mounted permanent magnet machine internal rotor iron core and segmented assemblies thereof | |
| CN203243134U (en) | Rotor assembly with rotor magnet ring | |
| CN103312077B8 (en) | A kind of post bearing assembling structure | |
| CN203632467U (en) | Motor with improved fan | |
| CN203104170U (en) | Radial motor casing heat dissipation device | |
| CN201839119U (en) | End cover structure of explosion-proof permanent magnetic motor | |
| CN201256314Y (en) | An electric motor | |
| CN203377722U (en) | Motor with wind shield | |
| CN203416070U (en) | Motor rotor installing structure under high pressure condition | |
| CN105406670A (en) | Switched reluctance motor of double-rotor structure | |
| CN209488425U (en) | A kind of dc motor | |
| CN207884447U (en) | A kind of unmanned plane electric machine radiator | |
| CN211343499U (en) | Lower sheet fixing structure of heat dissipation fan | |
| CN202906629U (en) | Blower fan explosion suppression type three-phase asynchronous motor supporting the use of mining blower fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150812 |