CN105071625A - Novel high-speed brushless motor - Google Patents
Novel high-speed brushless motor Download PDFInfo
- Publication number
- CN105071625A CN105071625A CN201510465225.9A CN201510465225A CN105071625A CN 105071625 A CN105071625 A CN 105071625A CN 201510465225 A CN201510465225 A CN 201510465225A CN 105071625 A CN105071625 A CN 105071625A
- Authority
- CN
- China
- Prior art keywords
- stator core
- magnetic shoe
- motor according
- core
- novel brushless
- 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
- Brushless Motors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a novel high-speed brushless motor. The novel high-speed brushless motor is characterized by comprising a machine case (1), a stator core (5), a shaft core (6), a magnetic shoe shaft sleeve (8) and a whole magnetic shoe (12), wherein the magnetic shoe shaft sleeve (8) is arranged on the shaft core (6); the whole magnetic shoe (12) is arranged at the outer side of the magnetic shoe shaft sleeve (8); the stator core (5) is arranged at the outer side of the magnetic shoe shaft sleeve (8); the machine shell (1) is arranged at the outer side of the stator core (5); and a rear end cover (18) is arranged at the tail end of the machine case (1). The high-speed brushless motor disclosed by the invention reaches a good silent effect, and is mainly applied to household appliance products, such as an electric hair cutter and an automatic curtain machine.
Description
Technical field
The present invention relates to technical field of motors, especially a kind of novel brushless pot motor.
Background technology
Because the requirement of people to raw electro instrument noise is more and more higher, on the shutter of automatic curtain, needs the motor of a direct current, can less decibel be obtained, provide quiet, comfortable environment to user.
The peace and quiet of automatic curtain machine on market, stepless speed regulation, starting torque become greatly the requirement of design of electrical motor major parameter.Meeting these three requirements is one of main point of the present invention.
What the existing market of automatic curtain machine used has been mainly brushless motor, and the shortcoming that this product is large is the frictional noise of carbon brush and commutator.Meanwhile, motor due to the abrasion of carbon brush, restricted lifetime.
Due to common brushed motor, employing be direct commutation, the mode that DIGITAL ELECTRONICS can not be adopted to drive, is optimized motor, and electromagnetic noise is that inborn structure determined.
Common brushed motor, when not adding external feedback circuit, cannot realize the smoothly adjustable-speed of automatic curtain machine.
Summary of the invention
The object of the present invention is to provide a kind of novel brushless pot motor, the technical problem solving noise He operate steadily.The noise of motor---mechanical friction noise when eradicating commutation from principle, stator and rotor sructure reasonable in design obtains good back emf waveform; Stable runnability---reduce the cogging torque of motor, in less work moment situation, obtain traveling comfort.
Technical scheme of the present invention is:
A kind of novel brushless pot motor, comprise casing 1, stator core 5, axle core 6, magnetic shoe axle sleeve 8, overall magnetic shoe 12 and, described magnetic shoe axle sleeve 8 is arranged on axle core 6, overall magnetic shoe 12 is arranged on outside magnetic shoe axle sleeve 8, stator core 5 is arranged on outside magnetic shoe axle sleeve 8, casing 1 is arranged on outside stator core 5, and casing 1 end is provided with rear end cap 18.
The rear and front end of described stator core 5 is respectively equipped with front drum stand 2 and rear drum stand 7.
The front end of described axle core 6 is provided with successively fore bearing 3 and front shaft sleeve 4.
Described rear drum stand 7 is provided with circuit board 10, and circuit board 10 is provided with lead-in wire 11.
Described circuit board 10 is provided with Hall element 9 and binding post 13.
The rear end of described axle core 6 is provided with successively rear axle housing 14, bearing collar 15 and bearing with end cover 16.
Described stator core 5 adopts 4 pole 6 groove project organizations, stator core 5 external diameter 21mm, internal diameter 12mm, rotor surface-mount type and circular ring type; Adopt galvanized sheet casing, external diameter 22.5mm.
Described stator core 5 stator adopts arc pole notching construction, along arc pole Central Symmetry.
Described stator core 5 adopts arc pole notching construction, and optimal design reaches preferably motor cogging torque.
The invention has the beneficial effects as follows:
Novel brushless pot motor of the present invention reaches good quiet sound effective value, and this product is mainly the electric hair cutter used as electric family electric equipment products, with automatic curtain machine.
Novel brushless pot motor adopts high magnetic characteristics iron 38SH, adopts Surface Mount and annulus two kinds of structures, and annulus rotor adapts to the groove design of High Rotation Speed 4 pole 6, and designs simplification is adapted to produce in enormous quantities;
Novel brushless pot motor Surface Mount Structure adaptation power of motor scope: 2-10W, 1000-6000RPM, around knot magnetic shoe
Novel brushless pot motor circular ring type Structure adaptation in, 2-15W, 6000-20000RPM, adhesive magnetic tile
Novel brushless pot motor operating voltage range: 0-10V,
Surface Mount structural electromotor adopts 0.5mm standard chip, has no special requirements, can reduce the material cost of motor, have the excellent formula of stronger competition in the market to chip.
Novel brushless pot motor efficiency is high: more than 65%; Motor uses temperature rise to be no more than 50K; Motor rated power: 0-8W; This power of motor density is large, and efficiency is high, can be applicable to all kinds of electric families electrical equipment, toy, each automation equipment etc.
Accompanying drawing explanation
Fig. 1 is monnolithic case structural representation of the present invention.
Fig. 2 is stereo decomposing structural representation of the present invention.
Fig. 3 is that motor cogging torque of the present invention detects schematic diagram.
Fig. 4 is that rotor of the present invention each road field intensity detects schematic diagram.
Fig. 5 is that sine wave generating kinetic potential of the present invention detects schematic diagram.
In figure: 1 be casing, 2 be front drum stand, 3 be fore bearing, 4 be front shaft sleeve, 5 be stator core, 6 be axle core, 7 be rear drum stand, 8 be magnetic shoe axle sleeve, 9 be Hall element, 10 be circuit board, 11 be lead-in wire, 12 be overall magnetic shoe, 13 be binding post, 14 be rear axle housing, 15 be bearing collar, 16 be bearing with end cover, 18 for rear end cap.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As Fig. 1 to 5, a kind of novel brushless pot motor, comprise casing 1, stator core 5, axle core 6, magnetic shoe axle sleeve 8, overall magnetic shoe 12 and, described magnetic shoe axle sleeve 8 is arranged on axle core 6, overall magnetic shoe 12 is arranged on outside magnetic shoe axle sleeve 8, stator core 5 is arranged on outside magnetic shoe axle sleeve 8, and casing 1 is arranged on outside stator core 5, and casing 1 end is provided with rear end cap 18.
The rear and front end of described stator core 5 is respectively equipped with front drum stand 2 and rear drum stand 7.
The front end of described axle core 6 is provided with successively fore bearing 3 and front shaft sleeve 4.
Described rear drum stand 7 is provided with circuit board 10, and circuit board 10 is provided with lead-in wire 11.
Described circuit board 10 is provided with Hall element 9 and binding post 13.
The rear end of described axle core 6 is provided with successively rear axle housing 14, bearing collar 15 and bearing with end cover 16.
Described stator core 5 adopts 4 pole 6 groove project organizations, stator core 5 external diameter 21mm, internal diameter 12mm, rotor surface-mount type and circular ring type; Adopt galvanized sheet casing, external diameter 22.5mm.
Described stator core 5 stator adopts arc pole notching construction, along arc pole Central Symmetry.
Described stator core 5 adopts arc pole notching construction, and optimal design reaches preferably motor cogging torque.
Main feature of the present invention is the feature by brushless electric machine,
1, absence of commutator commutation: eliminate machinery noise;
2, driver PWM speed governing: stepless time adjustment;
3, the linear variable force of moment: starting torque is at double in nominal torque;
Three large features, levy and design a motor special to the requirement of product,
Use strong magnetic material 42SH, for motor provides main field, appropriate design rotor flute profile obtains:
1, less motor cogging torque; Motor cogging torque controls at 3mN.m
2, each road magnetic field intensity of rotor is optimized; Rotor each road field intensity controls: within 1.5T,
3, obtain good, sinusoidal wave generating kinetic potential: coordinates with sine-wave drive circuit, the operation electromagnetic noise of reduction motor, makes motor obtain good quiet sound effective value.
Embodiment recited above is only be described the preferred embodiment of the present invention; not the spirit and scope of the present invention are limited; do not departing under design concept prerequisite of the present invention; the various modification that in this area, common engineers and technicians make technical scheme of the present invention and improvement; all should fall into protection scope of the present invention, the technology contents of request protection of the present invention is all recorded in detail in the claims.
Claims (9)
1. a novel brushless pot motor, it is characterized in that comprising casing (1), stator core (5), axle core (6), magnetic shoe axle sleeve (8), overall magnetic shoe (12) and, described magnetic shoe axle sleeve (8) is arranged on axle core (6), overall magnetic shoe (12) is arranged on magnetic shoe axle sleeve (8) outside, stator core (5) is arranged on magnetic shoe axle sleeve (8) outside, casing (1) is arranged on stator core (5) outside, and casing (1) end is provided with rear end cap (18).
2. novel brushless pot motor according to claim 1, is characterized in that the rear and front end of described stator core (5) is respectively equipped with front drum stand (2) and rear drum stand (7).
3. novel brushless pot motor according to claim 1, the front end that it is characterized in that described axle core (6) is provided with fore bearing (3) and front shaft sleeve (4) successively.
4. novel brushless pot motor according to claim 2, it is characterized in that described rear drum stand (7) is provided with circuit board (10), circuit board (10) is provided with lead-in wire (11).
5. novel brushless pot motor according to claim 4, is characterized in that described circuit board (10) is provided with Hall element (9) and binding post (13).
6. novel brushless pot motor according to claim 1, the rear end that it is characterized in that described axle core (6) is provided with rear axle housing (14), bearing collar (15) and bearing with end cover (16) successively.
7. novel brushless pot motor according to claim 1, is characterized in that described stator core (5) adopts 4 pole 6 groove project organizations, stator core (5) external diameter 21mm, internal diameter 12mm, rotor surface-mount type and circular ring type; Adopt galvanized sheet casing, external diameter 22.5mm.
8. novel brushless pot motor according to claim 1, is characterized in that described stator core (5) stator adopts arc pole notching construction, along arc pole Central Symmetry.
9. novel brushless pot motor according to claim 1, it is characterized in that described stator core (5) adopts arc pole notching construction, optimal design reaches preferably motor cogging torque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510465225.9A CN105071625A (en) | 2015-07-31 | 2015-07-31 | Novel high-speed brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510465225.9A CN105071625A (en) | 2015-07-31 | 2015-07-31 | Novel high-speed brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105071625A true CN105071625A (en) | 2015-11-18 |
Family
ID=54500934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510465225.9A Pending CN105071625A (en) | 2015-07-31 | 2015-07-31 | Novel high-speed brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105071625A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019536422A (en) * | 2016-11-16 | 2019-12-12 | ムービング マグネット テクノロジーズ | Stator for high-speed electric machines |
| CN113162295A (en) * | 2021-04-23 | 2021-07-23 | 浙江乐歌智能驱动科技有限公司 | DC brush motor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1434557A (en) * | 2001-12-21 | 2003-08-06 | 德昌电机股份有限公司 | Brushless dc motor |
| CN101267129A (en) * | 2007-03-13 | 2008-09-17 | 株式会社日立制作所 | Stepping motor and steel plate for manufacturing the stepping motor |
| CN201167268Y (en) * | 2008-01-08 | 2008-12-17 | 李金东 | Permanent-magnet DC motor |
| CN101355283A (en) * | 2007-07-27 | 2009-01-28 | 范安成 | Permanent-magnet brushless DC motor |
| CN102364846A (en) * | 2011-09-20 | 2012-02-29 | 应忠良 | Permanent magnet brushless DC (direct current) motor |
| CN103779977A (en) * | 2013-09-23 | 2014-05-07 | 深圳市恒驱电机有限公司 | Slotless type brushless DC motor |
| CN204465304U (en) * | 2015-03-13 | 2015-07-08 | 武汉顶翔智控科技有限公司 | The high-speed brushless motor that a kind of antimagnetic iron comes off |
| CN205081654U (en) * | 2015-07-31 | 2016-03-09 | 常州市昊升电机有限公司 | Novel brushless high -rotating -speed motor |
-
2015
- 2015-07-31 CN CN201510465225.9A patent/CN105071625A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1434557A (en) * | 2001-12-21 | 2003-08-06 | 德昌电机股份有限公司 | Brushless dc motor |
| CN101267129A (en) * | 2007-03-13 | 2008-09-17 | 株式会社日立制作所 | Stepping motor and steel plate for manufacturing the stepping motor |
| CN101355283A (en) * | 2007-07-27 | 2009-01-28 | 范安成 | Permanent-magnet brushless DC motor |
| CN201167268Y (en) * | 2008-01-08 | 2008-12-17 | 李金东 | Permanent-magnet DC motor |
| CN102364846A (en) * | 2011-09-20 | 2012-02-29 | 应忠良 | Permanent magnet brushless DC (direct current) motor |
| CN103779977A (en) * | 2013-09-23 | 2014-05-07 | 深圳市恒驱电机有限公司 | Slotless type brushless DC motor |
| CN204465304U (en) * | 2015-03-13 | 2015-07-08 | 武汉顶翔智控科技有限公司 | The high-speed brushless motor that a kind of antimagnetic iron comes off |
| CN205081654U (en) * | 2015-07-31 | 2016-03-09 | 常州市昊升电机有限公司 | Novel brushless high -rotating -speed motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019536422A (en) * | 2016-11-16 | 2019-12-12 | ムービング マグネット テクノロジーズ | Stator for high-speed electric machines |
| JP7199366B2 (en) | 2016-11-16 | 2023-01-05 | ムービング マグネット テクノロジーズ | Stator for high-speed electric machines |
| CN113162295A (en) * | 2021-04-23 | 2021-07-23 | 浙江乐歌智能驱动科技有限公司 | DC brush motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202475198U (en) | Single-phase brushless direct-current motor with birotor structure | |
| TW200629692A (en) | Sensorless and brushless direct current motor | |
| EP2863518A3 (en) | Torque ripple reduction in electric machines | |
| WO2015081106A3 (en) | Electronically commutated electromagnetic apparatus | |
| CN105071625A (en) | Novel high-speed brushless motor | |
| CN205081654U (en) | Novel brushless high -rotating -speed motor | |
| CN101900364A (en) | DC frequency conversion range hood | |
| TWM409646U (en) | Multi-phase external rotor type frequency-modulation induction motor for fan | |
| JP2010252614A (en) | Motor which uses permanent magnet for rotor (rotor) and electromagnet for stator (stator), and switches current of stator with commutator in dc motor (dc motor) | |
| CN203796585U (en) | Brushless motor industrial fan | |
| CN208862695U (en) | A kind of brushless motor | |
| CN201378776Y (en) | Permanent magnet DC motor with magnetic brushes | |
| CN201563044U (en) | Mouse cage type direct-current brushless generator | |
| CN208738978U (en) | A kind of brushless motor | |
| CN204652063U (en) | New Type of Direct-current Machine | |
| CN102996485B (en) | The isolation characteristic alignment circuit of electronic control type fan of outer rotor and speed regulating method | |
| CN205081653U (en) | Brushless high -rotating -speed motor | |
| CN105262260B (en) | A kind of brushless direct current motor of asymmetric winding | |
| CN209200777U (en) | A kind of magnetic field modulation alternating-current brushless double feedback electric engine | |
| CN205051470U (en) | Brushless DC motor of asymmetric winding | |
| CN103762810A (en) | Hidden magnetic pole rare-earth permanent magnet drive motor for electric automobile | |
| CN107332381B (en) | Energy-saving DC frequency-conversion single-phase high-efficiency motor outer winding group structure | |
| CN105322748B (en) | A kind of seven phase winding permanent magnet synchronous brushless DC motors and its control method | |
| CN204327541U (en) | A kind of small-scale high rotational speed DC fan | |
| CN205753679U (en) | A kind of motor stator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20151118 |