CN201699563U - Three-phase hexapole brushless DC motor - Google Patents
Three-phase hexapole brushless DC motor Download PDFInfo
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- CN201699563U CN201699563U CN2010202251783U CN201020225178U CN201699563U CN 201699563 U CN201699563 U CN 201699563U CN 2010202251783 U CN2010202251783 U CN 2010202251783U CN 201020225178 U CN201020225178 U CN 201020225178U CN 201699563 U CN201699563 U CN 201699563U
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- Brushless Motors (AREA)
Abstract
The utility model aims to provide a three-phase hexapole brushless DC motor, comprising nine stator poles. The utility model is characterized in that the width of each magnetic pole is 7mm; the distance between two adjacent magnetic boots is smaller than 0.5mm, thereby the rotating distance of a motor tooth space is less than 2%; the cross section area of line slot of the stator is 1.5-1.6 times larger than the cross section area of line slot of the brushless motor; the wire diameter winded with aluminum enameled wire is 1.2-1.7 times larger than the wire diameter winded with cooper wire; the rotor adopts four magnet steel to produce a magnetic pole; each two stator windings form a group and work under different voltage grades in a series-parallel connection; under 200V voltage, a series connection is adopted, and under a 110V voltage, a parallel connection is adopted.
Description
Technical field
The utility model relates to a kind of three-phase sextupole dc brushless motor that is applied to industrial power set.
Background technology
Being applied to industrial environment at present mostly is to adopt AC asynchronous motor as the motor of power resources, generally select DC motor for use in the higher speed adjusting performance of needs and the occasion of big speed adjustable range, but because DC motor need be used the commutation that rectifier is realized electric current, so the complex structure cost is higher and short therefore traditional direct current machine use cost height of life-span; In recent years along with the development of power electronic technology occur shortcoming that brshless DC motor overcome traditional direct current machine simultaneously again the without commutator commutation realized that high-performance, long-life use.Brushless electric machine can be divided into two-phase formula and three-phase type again usually, and the two-phase formula is because there is certain asymmetry in magnetic field so performance does not have three phase electric machine superior.Should select for use the three-phase type brushless electric machine preferential in the occasion that performance, efficient, starting torque etc. are had relatively high expectations.
Summary of the invention
The purpose of this utility model provides a kind of three-phase sextupole brushless electric machine, and its no-load torque and cogging torque all are lower than the similar motor on the market, and this design extremely helps motor and works under the low speed situation.
The technical scheme that its technical problem that will solve the utility model adopts is: obviously reduce cogging torque by the reasonably optimizing to motor stator teeth groove structure, the magnetic structure that makes motor has simultaneously more rationally obviously improved the usefulness of motor, and stator coil has nine every triplets and is divided into three groups and constitutes three phase windings.Stator outer diameter 94mm yoke part hem width is that nine magnetic poles of magnet pole widths 7mm of 5mm internal diameter 60mm stator core become evenly to distribute, the wire casing A/F has reduced slot effect greatly when having reduced this place leakage field effectively less than 0.2mm and magnetic boots part tilting design fits and has reduced cogging torque, has improved the runnability of motor when low speed thereby greatly reduce slot effect; It is 10mm that six blocks of ferrite permanent-magnet steels of rotor utilization are formed magnet thickness, and stator and rotor cooperate three-phase sextupole brushless motor system of formation.
The utility model has the advantages that: owing to carried out meticulous electromagnetism distribution design, cogging torque only is 1.6% of a nominal torque, motor has a very outstanding service behaviour under the low speed situation, extremely low cogging torque also very helps starting under the low speed situation and working stably; Owing to reasonable in designly not only saved material but also alleviated the weight of motor and reduced manufacturing cost reaching under the equal motor power output situation.
Use the obtainable usefulness of the utility model that three aspects are arranged:
One, since taked rational Electromagnetic Design cogging torque extremely low only for nominal torque 1.6% so can under extremely low rotating speed, start reposefully and operation, stator winding adopts nine utmost point winding utilizations to reach 86% 1.3 times of utilances that improve winding greatly that are equivalent to similar four utmost point brushless electric machines;
Two, adopt three coils to constitute a phase winding for one group, the number of turn that has reduced single winding has effectively improved branch road around the level number of turn, help under the high voltage situation, working, the reduction of single umber of turn can reduce window area again, reduce the magnetic flux density of magnetic pole, saved material consumption when greatly facilitating manufacturing again;
Three, adopt optimal design to make the stator window area go out 1.2-1.5 greatly doubly, can also directly adopt the aluminum enamelled wire to make winding when can adopt copper cash to make winding and reduce manufacturing cost effectively than similar motor.
Description of drawings
Accompanying drawing 1 is the utility model motor stator sectional view, is spliced by nine pole laminations.
Accompanying drawing 3 is magnetic pole of the stator partial enlarged views.
Embodiment
Consult shown in the accompanying drawing 1,3, long-pending big 1.5-1.6 times of the similar motor lines slot cross-section of motor stator wire casing sectional area ratio equal-wattage, the line that can adopt footpath is big 1.2-1.7 times, so can select for use the aluminum enamelled wire to make this motor.
By accompanying drawing 1 as seen, the external diameter of stator is that 94mm external diameter hem width is 60mm for the 5mm internal diameter; Magnet pole widths is that 7mm winding slot opening is less than 0.2mm.
By accompanying drawing 2 as seen, iron core is formed with six blocks of permanent-magnet steels that stick on the rotor core outside in the rotor, and the thickness of magnet steel is 10mm.
Claims (3)
1. a three-phase sextupole brushless electric machine is characterized in that: it is that 7mm, two neighboring pole magnetic boots are apart from make the motor alveolar torque less than 2% less than 0.5mm that this motor has nine each magnet pole widths of magnetic pole of the stator, the big approximately 1.5-1.6 of brushless electric machine wire casing sectional area of stator slot sectional area ratio equal-wattage doubly can adopt aluminum enamelled wire coiling line footpath than the big 1.2-1.7 of copper cash doubly.
2. by the three-phase and quadrupole brushless electric machine of the described aluminum enamelled wire of claim 1 coiling, it is characterized in that: stator outer diameter 96mm external diameter hem width 6mm internal diameter 60mm, four blocks of permanent-magnet steels of rotor utilization are made magnetic pole, and magnet thickness is 8mm.
3. by the described three-phase and quadrupole brushless electric machine of claim 1, it is characterized in that magnetic pole of the stator is divided into two one group, series connection is applied to the 220V parallel connection and is applied to 110V voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202251783U CN201699563U (en) | 2010-06-06 | 2010-06-06 | Three-phase hexapole brushless DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202251783U CN201699563U (en) | 2010-06-06 | 2010-06-06 | Three-phase hexapole brushless DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201699563U true CN201699563U (en) | 2011-01-05 |
Family
ID=43400808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202251783U Expired - Fee Related CN201699563U (en) | 2010-06-06 | 2010-06-06 | Three-phase hexapole brushless DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201699563U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012119302A1 (en) * | 2011-03-07 | 2012-09-13 | 浙江博望科技发展有限公司 | Ferrite three-phase permanent magnet motor |
| WO2013102444A1 (en) * | 2012-01-06 | 2013-07-11 | Liu Gang | Electromagnetic coupler |
| CN107124049A (en) * | 2017-06-29 | 2017-09-01 | 广东美芝制冷设备有限公司 | Stator, motor and compressor of air conditioner |
| WO2021008507A1 (en) * | 2019-07-14 | 2021-01-21 | 刘刚 | Dual magnetic circuit coupler |
-
2010
- 2010-06-06 CN CN2010202251783U patent/CN201699563U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012119302A1 (en) * | 2011-03-07 | 2012-09-13 | 浙江博望科技发展有限公司 | Ferrite three-phase permanent magnet motor |
| WO2013102444A1 (en) * | 2012-01-06 | 2013-07-11 | Liu Gang | Electromagnetic coupler |
| CN103688444A (en) * | 2012-01-06 | 2014-03-26 | 刘刚 | Electromagnetic coupler |
| CN103688444B (en) * | 2012-01-06 | 2016-09-21 | 刘刚 | Magnetic-electricitycoupler coupler |
| CN107124049A (en) * | 2017-06-29 | 2017-09-01 | 广东美芝制冷设备有限公司 | Stator, motor and compressor of air conditioner |
| CN107124049B (en) * | 2017-06-29 | 2023-04-25 | 广东美芝制冷设备有限公司 | Stator, motor and air conditioner compressor |
| WO2021008507A1 (en) * | 2019-07-14 | 2021-01-21 | 刘刚 | Dual magnetic circuit coupler |
| CN114128114A (en) * | 2019-07-14 | 2022-03-01 | 刘刚 | Double-magnetic-circuit coupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20110606 |