CN105406634A - Micro digital air suction motor - Google Patents
Micro digital air suction motor Download PDFInfo
- Publication number
- CN105406634A CN105406634A CN201510948224.XA CN201510948224A CN105406634A CN 105406634 A CN105406634 A CN 105406634A CN 201510948224 A CN201510948224 A CN 201510948224A CN 105406634 A CN105406634 A CN 105406634A
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- CN
- China
- Prior art keywords
- electric machine
- machine casing
- stator
- end housing
- electric motor
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a micro digital air suction motor. The micro digital air suction motor comprises a motor shell, a stator assembly and a rotor assembly, wherein the stator assembly and the rotor assembly are arranged in the motor shell; a front end cover is fixedly arranged at the front end of the motor shell; the outer diameter of the front end cover is less than the inner diameter of the motor shell; two axially symmetric connectors are arranged between the outer peripheral wall and the inner wall of the motor shell; two diversion inclined surfaces are arranged at the upper ends of the connectors; the outer peripheral wall of the front end cover axially extends inwards to form an air deflection surface; the inner wall of the motor shell, the diversion inclined surfaces and the air deflection surface are enclosed to form a trumpet-shaped diversion channel; the lower ends of the connectors extend toward the rear end of the motor shell; and the stator assembly is fixedly arranged on the extension parts of the connectors.
Description
Technical field
The present invention relates to a kind of brushless electric machine for dust catcher, specifically a kind of Miniature digital induced-draught electric motor.
Background technology
Along with the raising of quality of the life, the use of dust catcher is also more and more general.Dust catcher divides by kind dry suction dust catcher and Wet-dry dust catcher, and motor of dust collector is the heart of dust catcher.Motor of dust collector mainly contains two parts and forms: motor part and fan section.Motor of dust collector is very high to rotation speed requirements, along with the development of motor technology, have the motor of brush configuration cannot meet the requirement of existing dust catcher gradually, and brushless motor speed is high, volume is little, easy care, applies more and more extensive in dust catcher.
Patent of invention title: a kind of brushless electric machine for dust catcher, number of patent application: 201310024896.2 disclose a kind of brushless electric machine for dust catcher, comprise controller, rectifier, be embedded with the stator core of winding and be located at the rotor core of stator core inside, and for the housing of stator core described in consolidation and described rotor core, described stator core is embedded with winding described in three groups, in the middle part of described rotor core, peripheral sintering has rubidium iron boron magnet steel, the magnetic pole that adjacent described magnet steel points to direction, place, axis is different, stainless steel hoop is arranged with outside described magnet steel, described controller comprises driver and position probing chip, described rectifier comprises transformer and AC/DC changeover switch.This patent adopts stator effectively to improve motor speed at external rotor in interior mode, adopts position probing chip detection motor position, effectively improves the precision of position probing.
Along with the development of cleaner technology, some hand held cleaner demands for small space such as automobiles are also increasing.But hand held cleaner needs, and volume is little, lightweight, suction large, and existing brushless electric machine is difficult to reach its technical requirement.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, and provides a kind of Miniature digital induced-draught electric motor, is reduced the volume of motor, and improve air draught power, motor radiating efficiency and useful life by structure innovation.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of Miniature digital induced-draught electric motor, comprises electric machine casing and the stator module be located in electric machine casing and rotor assembly.The front end of electric machine casing is fixedly installed front end housing.The external diameter of front end housing is less than the internal diameter of electric machine casing.Two axisymmetric connectors are provided with between the periphery wall of front end housing and electric machine casing inwall.The upper end of connector is shaped with two water conservancy diversion inclined-planes, and the periphery wall of front end housing axially extends formation wind-guiding face to the inside, and electric machine casing inwall, water conservancy diversion inclined-plane enclose mutually with wind-guiding face and form flaring flow-guiding channel.The lower end of connector extends to electric machine casing rear end, and stator module is fixedly mounted on the extension of connector.
For optimizing technique scheme, the present invention also comprises the technical scheme of following improvement.
Above-mentioned stator module comprises the stator installation seat be fixed on connector, be fixed on stator core on stator installation seat and stator coil, and the circuit board be fixedly connected with stator installation seat.
The middle part of above-mentioned front end housing is shaped with the connected axle bearing mount portion of one.Rotate in axle bearing mount portion and be provided with rotating shaft.The end winding support that front end housing is stretched out in rotating shaft is provided with fan blade.Rotor assembly is arranged in rotating shaft, and is coupled with stator module.
Above-mentioned circuit board is fixedly mounted between wind-guiding face and between axle bearing mount portion, and the heating panel on circuit board is positioned at the air outlet of flow-guiding channel.
Above-mentioned electric machine casing is installed with blade cover, and blade cover is positioned at the outside of front end housing, and have level and smooth air-inlet cavity between front end housing and blade cover, fan blade is positioned at air-inlet cavity, and the edge of fan blade extends to front end housing edge.
The back side of above-mentioned fan blade is shaped with groove, and axle bearing mount portion is positioned at groove.
Above-mentioned axle bearing mount portion has the fixed part of fixed stator iron core.
Above-mentioned axle bearing mount portion is fixed with bearing holder (housing, cover), and bearing holder (housing, cover) is provided with clutch shaft bearing and second bearing at two intervals, between clutch shaft bearing and the second bearing, be provided with cushion.
Compared with prior art, Miniature digital induced-draught electric motor of the present invention, by optimizing internal structure of motor, the basis of reduced volume is improved air draught power and heat-sinking capability.Electric machine casing inwall, water conservancy diversion inclined-plane and wind-guiding face are enclosed mutually and are formed flaring flow-guiding channel and guide the air-flow entering electric machine casing inside, air-flow directly can be blown facing to the sidewall of thermal component in the outlet of flow-guiding channel, improve heat exchanger effectiveness, avoid miscellaneous part at air-flow by barrier air on path simultaneously, air-flow can be discharged in order, ensure that air draught efficiency.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment of the present invention.
Fig. 2 is the assembling decomposing schematic representation of Fig. 1.
Fig. 3 is the profile of Fig. 1.
Fig. 4 is the bottom view of Fig. 1.
Fig. 5 is the bottom view of electric machine casing in Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is to Figure 5 shows that structural representation of the present invention.
Reference numeral is wherein: electric machine casing 1, flow-guiding channel 11, front end housing 2, wind-guiding face 2a, axle bearing mount portion 2b, fixed part 2c, connector 3, water conservancy diversion inclined-plane 3a, stator installation seat 4, stator core 41, stator coil 42, circuit board 43, fan blade 5, blade cover 51, groove 52, fresh air inlet 53, bearing holder (housing, cover) 6, clutch shaft bearing 61, second bearing 62, cushion 63, rotating shaft 7, rotor 8.
A kind of Miniature digital induced-draught electric motor of the present invention, comprises electric machine casing 1 and the stator module be located in electric machine casing 1 and rotor assembly.The front end of electric machine casing 1 is fixedly installed front end housing 2.The external diameter of front end housing 2 is less than the internal diameter of electric machine casing 1.Two axisymmetric connectors 3 are provided with between the periphery wall of front end housing 2 and electric machine casing 1 inwall.The upper end of connector 3 is shaped with two water conservancy diversion inclined-plane 3a, and the periphery wall of front end housing 2 axially extends formation wind-guiding face 2a to the inside, and electric machine casing 1 inwall, water conservancy diversion inclined-plane 3a enclose with wind-guiding face 2a phase and form flaring flow-guiding channel 11.
The lower end of connector 3 extends to electric machine casing 1 rear end, and stator module is fixedly mounted on the extension of connector 3.By arranging connector 3, both playing the effect of fixing front end housing 2, the installation of stator module can have been facilitated again, made the internal structure of electric machine casing 1 compacter, effectively reduce motor volume.
Stator module of the present invention comprises the stator installation seat 4 be fixed on connector 3, be fixed on stator core 41 on stator installation seat 4 and stator coil 42, and the circuit board 43 be fixedly connected with stator installation seat 4.
Be shaped with the axle bearing mount portion 2b that one is connected at the middle part of front end housing 2, rotate in axle bearing mount portion 2b and be provided with rotating shaft 7, the end winding support that front end housing 2 is stretched out in rotating shaft 7 is provided with fan blade 5.Rotor assembly comprises a rotor 8, and rotor 8 is arranged in rotating shaft 7, and is coupled with stator module.
Above-mentioned circuit board 43 is fixedly mounted between the 2a of wind-guiding face and between axle bearing mount portion 2b, and the heating panel on circuit board 43 is positioned at the air outlet of flow-guiding channel 11.There is between the wind-guiding face 2a of front end housing 2 and axle bearing mount portion 2b the installing space of circuit board 43, circuit board 43 is arranged between wind-guiding face 2a and axle bearing mount portion 2b, the internal structure of electric machine casing 1 can be made compacter, and make the heating panel on circuit board 43 just in time be arranged on the air outlet of flow-guiding channel 11.The air that fan blade 5 is discharged can be concentrated the side of blowing at heating panel and stator coil 42, even if electric machine casing 1 inner space reduces, also can improve the heat-sinking capability of circuit board 43 and stator coil 42 after flowing through flow-guiding channel 11 guiding.
Above-mentioned electric machine casing 1 is installed with blade cover 51, and blade cover 51 is positioned at the outside of front end housing 2, is shaped with fresh air inlet 53 at the middle part of blade cover 51.Have level and smooth air-inlet cavity between front end housing 2 and blade cover 51, fan blade 5 is positioned at air-inlet cavity, and the edge of fan blade 5 extends to front end housing 2 edge.In prior art, between blade cover 51 and front end housing 2, be typically provided with multiple wind blade, multiple wind blade is centered around fan blade 5 periphery and guides wind-force, but also limit the size of fan blade 5, reduces air draught power.The present invention is enclosed by electric machine casing 1 inwall, water conservancy diversion inclined-plane 3a and wind-guiding face 2a phase and forms flaring flow-guiding channel 11 and guide wind-force, wind blade need not be set again, the edge of fan blade 5 can be made to extend to front end housing 2 edge, increase the size of fan blade 5, improve air draught power.
In prior art, after air-flow enters motor internal, the stop of the various parts of motor internal can be subject to, such as stator module, circuit board etc., certain procedures reduces air draught power.In the present invention, air-flow enters electric machine casing 1 inside by flaring flow-guiding channel 11, just can discharge in order after only carrying out heat exchange with the sidewall of heating panel and the sidewall of stator coil 42, other parts are not at air-flow by path, ensure that air draught efficiency.
The back side of above-mentioned fan blade 5 is shaped with groove 52, and axle bearing mount portion 2b is positioned at groove 52, to reduce motor volume.
Above-mentioned axle bearing mount portion 2b has the fixed part 2c of fixed stator iron core 41, plays the effect strengthening stator core 41 stability.
Above-mentioned axle bearing mount portion 2b internal fixtion has bearing holder (housing, cover) 6, is provided with clutch shaft bearing 61 and second bearing 62 at two intervals, between clutch shaft bearing 61 and the second bearing 62, is provided with cushion 63 in bearing holder (housing, cover) 6.Adopt cushion 63 can reduce the installing space of clutch shaft bearing 61 and the second bearing 62.
Most preferred embodiment of the present invention is illustrated, and the various change made by those of ordinary skill in the art or remodeling all can not depart from the scope of the present invention.
Claims (8)
1. a Miniature digital induced-draught electric motor, comprise electric machine casing (1) and the stator module be located in electric machine casing (1) and rotor assembly, it is characterized in that: the front end of described electric machine casing (1) is fixedly installed front end housing (2); The external diameter of described front end housing (2) is less than the internal diameter of electric machine casing (1); Two axisymmetric connectors (3) are provided with between the periphery wall of described front end housing (2) and electric machine casing (1) inwall; The upper end of described connector (3) is shaped with two water conservancy diversion inclined-planes (3a), the periphery wall of described front end housing (2) axially extends formation wind-guiding face (2a) to the inside, and described electric machine casing (1) inwall, water conservancy diversion inclined-plane (3a) enclose mutually with wind-guiding face (2a) and form flaring flow-guiding channel (11); The lower end of described connector (3) extends to electric machine casing (1) rear end, and described stator module is fixedly mounted on the extension of connector (3).
2. a kind of Miniature digital induced-draught electric motor according to claim 1, it is characterized in that: described stator module comprises the stator installation seat (4) be fixed on connector (3), be fixed on stator core (41) on stator installation seat (4) and stator coil (42), and the circuit board (43) be fixedly connected with stator installation seat (4).
3. a kind of Miniature digital induced-draught electric motor according to claim 2, is characterized in that: the middle part of described front end housing (2) is shaped with the connected axle bearing mount portion (2b) of one; Rotate in described axle bearing mount portion (2b) and be provided with rotating shaft (7); The end winding support that front end housing (2) is stretched out in described rotating shaft (7) is provided with fan blade (5); Described rotor assembly is arranged in described rotating shaft (7), and is coupled with stator module.
4. a kind of Miniature digital induced-draught electric motor according to claim 3, it is characterized in that: described circuit board (43) is fixedly mounted between wind-guiding face (2a) and between axle bearing mount portion (2b), and the heating panel on described circuit board (43) is positioned at the air outlet of flow-guiding channel (11).
5. a kind of Miniature digital induced-draught electric motor according to claim 4, it is characterized in that: described electric machine casing (1) is installed with blade cover (51), blade cover (51) is positioned at the outside of front end housing (2), between described front end housing (2) and blade cover (51), there is level and smooth air-inlet cavity, described fan blade (5) is positioned at air-inlet cavity, and the edge of fan blade (5) extends to front end housing (2) edge.
6. a kind of Miniature digital induced-draught electric motor according to claim 5, is characterized in that: the back side of described fan blade (5) is shaped with groove (52), and described axle bearing mount portion (2b) is positioned at groove (52).
7. a kind of Miniature digital induced-draught electric motor according to claim 6, is characterized in that: described axle bearing mount portion (2b) has the fixed part (2c) of fixed stator iron core (41).
8. a kind of Miniature digital induced-draught electric motor according to claim 7, it is characterized in that: described axle bearing mount portion (2b) is fixed with bearing holder (housing, cover) (6), described bearing holder (housing, cover) (6) is provided with clutch shaft bearing (61) and second bearing (62) at two intervals, is provided with cushion (63) between clutch shaft bearing (61) and the second bearing (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948224.XA CN105406634B (en) | 2015-12-17 | 2015-12-17 | Micro digital air suction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948224.XA CN105406634B (en) | 2015-12-17 | 2015-12-17 | Micro digital air suction motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105406634A true CN105406634A (en) | 2016-03-16 |
| CN105406634B CN105406634B (en) | 2017-05-17 |
Family
ID=55471950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510948224.XA Active CN105406634B (en) | 2015-12-17 | 2015-12-17 | Micro digital air suction motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105406634B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846600A (en) * | 2016-05-04 | 2016-08-10 | 东莞市银燕电气科技有限公司 | Motor and model aircraft having motor |
| CN107492977A (en) * | 2017-09-21 | 2017-12-19 | 明程电机技术（深圳）有限公司 | Centrifugal air duct radiating motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001010280A1 (en) * | 1999-08-05 | 2001-02-15 | Seb S.A. | Suction assembly |
| CN101764465A (en) * | 2008-12-25 | 2010-06-30 | 乐金电子(天津)电器有限公司 | Impeller and end cover structure for dust collector motor |
| EP2891439A1 (en) * | 2014-01-02 | 2015-07-08 | Samsung Electronics Co., Ltd | Fan motor assembly and vacuum cleaner having the same |
| CN104967253A (en) * | 2015-07-16 | 2015-10-07 | 莱克电气股份有限公司 | High-speed Hall-free three-phase vacuum cleaner motor |
| CN205453368U (en) * | 2015-12-17 | 2016-08-10 | 宁波纽兴克电机有限公司 | Miniature digital air intake motor |
-
2015
- 2015-12-17 CN CN201510948224.XA patent/CN105406634B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001010280A1 (en) * | 1999-08-05 | 2001-02-15 | Seb S.A. | Suction assembly |
| CN101764465A (en) * | 2008-12-25 | 2010-06-30 | 乐金电子(天津)电器有限公司 | Impeller and end cover structure for dust collector motor |
| EP2891439A1 (en) * | 2014-01-02 | 2015-07-08 | Samsung Electronics Co., Ltd | Fan motor assembly and vacuum cleaner having the same |
| CN104967253A (en) * | 2015-07-16 | 2015-10-07 | 莱克电气股份有限公司 | High-speed Hall-free three-phase vacuum cleaner motor |
| CN205453368U (en) * | 2015-12-17 | 2016-08-10 | 宁波纽兴克电机有限公司 | Miniature digital air intake motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846600A (en) * | 2016-05-04 | 2016-08-10 | 东莞市银燕电气科技有限公司 | Motor and model aircraft having motor |
| CN107492977A (en) * | 2017-09-21 | 2017-12-19 | 明程电机技术（深圳）有限公司 | Centrifugal air duct radiating motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105406634B (en) | 2017-05-17 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Applicant after: Ningbo new G motor Limited by Share Ltd Address before: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Applicant before: NINGBO NEWTHINK MOTOR CO., LTD. |
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| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee after: Ningbo Newark Electric Co., Ltd Address before: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee before: Ningbo new G motor Limited by Share Ltd |
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| CP01 | Change in the name or title of a patent holder |