CN203027047U - Permanent magnet motor - Google Patents
Permanent magnet motor Download PDFInfo
- Publication number
- CN203027047U CN203027047U CN 201320001433 CN201320001433U CN203027047U CN 203027047 U CN203027047 U CN 203027047U CN 201320001433 CN201320001433 CN 201320001433 CN 201320001433 U CN201320001433 U CN 201320001433U CN 203027047 U CN203027047 U CN 203027047U
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- China
- Prior art keywords
- rotor
- stator
- permanent magnet
- magnetic steel
- magnet motor
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- Expired - Lifetime
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Abstract
The utility model discloses a permanent magnet motor which comprises a machine shell, a stator and a rotor, wherein the stator and the rotor are arranged inside the shell; the stator comprises a stator iron core and a coil support framework; the rotor comprises a rotor shaft and a rotor iron core arranged on the rotor shaft; and magnetic steel is arranged on the rotor iron core. The permanent magnet motor is characterized in that a magnetic steel positioning groove is formed in the outer surface of the rotor iron core; the magnetic steel is arranged inside the magnetic steel positioning groove; a rotor protecting jacket is sleeved on the outer surface of the magnetic steel; and the magnetic steel is provided with an inner arced surface and an outer arced surface, and the radius of the inner arced surface is larger than the radius of the outer arced surface. The permanent magnet motor is stable in rotation, the waveform of the counter potential is of a sine wave, the magnetic steel adopts an eccentric design, and the stator and the rotor adopt unequal air gaps, so that the tooth space positioning torque of an integrated winding motor is effectively reduced, and the motor has the advantages of stable speed regulation, low noise and high energy efficiency.
Description
Technical field
The utility model relates to a kind of magneto, particularly relates to a kind of permanent magnetism and controls the class motor.It is applicable to the occasions such as industrial sewing device, dust catcher, lathe.
Background technology
Magnetic steel of motor and rotor punching adopt in concentric type, add the straight trough that stator core arranges, and the air gap between rotor is less, and magnetic pull is Strong very, and torque pulsation is large, causes motor in use to exist the location not accurate;
It is very crisp that Nd-Fe-B is made material, and price is higher; When rotor core was packed the stator core inner chamber into, rotor core very easily broke, and had also just strengthened cost, if can not in time find, also just can not reach design effect, had reduced the useful life of motor.
The motor winding adopts the distributed winding structure, and the operating personnel is many, and artificial factor is larger to the quality influence of motor.
Summary of the invention
The purpose of this utility model will provide a kind of permanent magnet motor exactly, and it can solve the problem that the occasion motors such as present industrial sewing device, dust catcher, lathe exist.
The purpose of this utility model is achieved in that
a kind of permanent magnet motor, comprise casing and be arranged on casing interior stator and rotor, described stator comprises stator core and coil support skeleton, described rotor comprises armature spindle and is arranged on rotor core on armature spindle, be provided with eccentric magnet steel at described rotor core, it is characterized in that: be provided with the magnet steel location notch at described rotor core outer surface, described magnet steel is arranged in described magnet steel location notch, outer surface at described magnet steel is arranged with a rotor jacket, described magnet steel has the radius of intrados and extrados and intrados greater than the radius of extrados.
Described coil support skeleton is two, and two coil support skeletons are separately positioned on the both sides of described stator core, is provided with therein the colligation hole on coil support skeleton.
Described casing comprises shell and back cover, is respectively arranged with an end cap at the two ends of described shell, and described stator is fixed between described two end caps, also is provided with location structure between described stator and shell.
Described location structure comprises positioning bar and location notch.
Positioning bar is arranged on described shell, and location notch is arranged on described stator.
Positioning bar is arranged on described stator, and location notch is arranged on described shell.
The utility model permanent magnet motor is comprised of institutes such as front end housing, rear end cap, shell, stator core, coil support skeleton, enamel insulated round copper wire, bearing, axle, rotor core, magnet steel, rotor overcoat, armature spindle, control section, back covers, and its housing is set to aluminium drawing and forming spare or die cast spare; Stator is set to Automated winding equipment and enamel insulated round copper wire is wound on cover according to the parameter that arranges has on the stator core of coil support frame, and stator core is the three-phase coil of coiling simultaneously on full circle 6 groove structural designs, and loop construction is set to concentrate winding; The coil support skeleton is set to two kinds of A, B, and coil support skeleton A crosses line when being set to wind the line; Coil support skeleton B is set to weldering and pricks power line, and in the hole arranged position of surrounding, colligation lead-out wire when being convenient to the weldering bundle; Rotor is set to rotating shaft and passes from the surface is stained with the rotor core hole of magnet steel and rotor jacket, being provided with bearing A, B at the front and back bearings gear of rotating shaft and supporting; The magnet steel location notch of rotor punching is set to the rotating shaft mating holes eccentric; Magnet steel is set to interior outer arc decentraction; Rotor core and magnet steel are set to surface-mount type; Be set to tight fit between stator core and shell, adopt hot cover process, be the U phase and the consistency of rotor magnetic steel magnetic center line space angle of guaranteeing stator, increase a muscle for the location of stator core and shell in the inner circle of casing; Undertaken fastening by elongated screw between front end housing, shell, rear end cap; Be the operability of guaranteeing to assemble, carry out turning on shell and circumference that front end housing, rear end cap coordinate; Be the front end housing of the guaranteeing motor position degree that coordinates plane and disc with the client, motor has adopted the technique of complete machine turning front end housing.
Compared with prior art, the utility model electric machine rotation is steady, and counter potential waveform is sinusoidal wave, magnet steel adopts eccentric design, and rotor adopts and do not wait air gap, effectively reduces the Cogging Torque of concentrating winding electric machine, make motor have a speed governing steady, low noise, the advantage of high energy efficiency.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is stator structure schematic diagram of the present utility model;
Fig. 3 is rotor structure schematic diagram of the present utility model;
Fig. 4 is rotor punching structure schematic diagram of the present utility model;
Fig. 5 is magnetic steel structure schematic diagram of the present utility model;
Fig. 6 is stator of the present utility model and shell mechanism schematic diagram.
Wherein: 1, coil support skeleton A, 2, stator core, 3, coil support skeleton B, 4, enamel insulated round copper wire; 5, bearing A, 6, rotor core, 7, magnet steel, 8, bearing B, 9, armature spindle, 10, rotor jacket, 11, the magnet steel location notch, 12, endoporus, 13, the colligation hole; 14, front end housing, 15, shell, 16, stator, 17, rear end cap, 18, rotor, 19, back cover, 20, tension disc, 21, positioning bar, 22, intrados, 23, extrados.
Embodiment
The utility model is described in further detail to accompanying drawing 6 below in conjunction with accompanying drawing 1;
As shown in Figure 1, a kind of permanent magnet motor of the utility model comprises shell 15, front end housing 14, rear end cap 17, stator 16, rotor 18, back cover 19, tension disc 20 and holding screw.The stator 16 of motor is comprised of stator core 2, coil support skeleton A1 and coil support skeleton B3, referring to Fig. 2, coil support skeleton A1 and coil support skeleton B3 are enclosed within on stator core 2, the skeleton that when coil support skeleton A1 is coiling, the line excessively of enamel insulated round copper wire is used, coil support skeleton B3 is the doubling of the rear stator of coiling and a side of welding and colligation lead-out wire, leave the colligation hole 24 of using for colligation on coil support skeleton B3, convenient power line is fixed; Rotor is set to axle 9 and is pressed into from the endoporus 12 of rotor core 6 and passes, bearing A5, bearing B8 are arranged on axle, placing magnet steel 7 in the magnet steel location notch 11 of the surrounding of rotor punching, place the magnet steel 7 of opposed polarity in adjacent magnet steel location notch 11, magnet steel 7 cylindricals are by rotor jacket 10 parcels, referring to Fig. 3; Magnet steel location notch 11 is set to the rotating shaft mating holes eccentric, and magnet steel 7 is set to interior outer arc decentraction, and wherein the radius of intrados 22 is greater than the radius of extrados 23, specifically as shown in Figure 4.For the ease of the axial location of stator 16 with shell 15, also be provided with positioning bar 21 on shell 15, be provided with the location notch that coordinates with positioning bar 21 on stator core 2 outer surfaces, also can conversely positioning bar 21 be arranged on stator core 2, then location notch is arranged on shell 15.
Claims (6)
1. permanent magnet motor, comprise casing and be arranged on casing interior stator (16) and rotor (18), described stator (16) comprises stator core (2) and coil support skeleton, described rotor (18) comprises armature spindle (9) and is arranged on rotor core (6) on armature spindle, be provided with eccentric magnet steel (7) on described rotor core (6), it is characterized in that: be provided with magnet steel location notch (11) at described rotor core (6) outer surface, described magnet steel (7) is arranged in described magnet steel location notch (11), outer surface at described magnet steel is arranged with a rotor jacket (10), described magnet steel (7) has the radius of intrados (22) and extrados (23) and intrados (22) greater than the radius of extrados (23).
2. permanent magnet motor according to claim 1, it is characterized in that: described coil support skeleton is two, two coil support skeletons are separately positioned on the both sides of described stator core (2), are provided with colligation hole (13) on a coil support skeleton therein.
3. permanent magnet motor according to claim 1, it is characterized in that: described casing comprises shell (15) and back cover (19), be respectively arranged with an end cap at the two ends of described shell (15), described stator (16) is fixed between described two end caps, also is provided with location structure between described stator (16) and shell (15).
4. permanent magnet motor according to claim 3, it is characterized in that: described location structure comprises positioning bar and location notch.
5. permanent magnet motor according to claim 4, it is characterized in that: positioning bar is arranged on described shell, and location notch is arranged on described stator.
6. permanent magnet motor according to claim 4, it is characterized in that: positioning bar is arranged on described stator, and location notch is arranged on described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001433 CN203027047U (en) | 2013-01-05 | 2013-01-05 | Permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001433 CN203027047U (en) | 2013-01-05 | 2013-01-05 | Permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203027047U true CN203027047U (en) | 2013-06-26 |
Family
ID=48650995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320001433 Expired - Lifetime CN203027047U (en) | 2013-01-05 | 2013-01-05 | Permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203027047U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348277A (en) * | 2013-08-09 | 2015-02-11 | 江西力德东元永磁发电机制造有限公司 | Permanent magnetic variable-frequency high-efficiency direct driving bio-gas generator |
| CN106685135A (en) * | 2017-03-20 | 2017-05-17 | 金龙机电（东莞）有限公司 | Electric toothbrush and motor device thereof |
| CN107666199A (en) * | 2017-10-31 | 2018-02-06 | 台山市江口电器制造有限公司 | A kind of automobile permanent magnet brushless direct current motor |
| CN109391077A (en) * | 2018-10-30 | 2019-02-26 | 贵州航天林泉电机有限公司 | A kind of double redundancy limited angle torque motor with locking torque |
| CN111917263A (en) * | 2020-08-28 | 2020-11-10 | 上海莘汭驱动技术有限公司 | Permanent magnet alternating current servo motor |
-
2013
- 2013-01-05 CN CN 201320001433 patent/CN203027047U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348277A (en) * | 2013-08-09 | 2015-02-11 | 江西力德东元永磁发电机制造有限公司 | Permanent magnetic variable-frequency high-efficiency direct driving bio-gas generator |
| CN106685135A (en) * | 2017-03-20 | 2017-05-17 | 金龙机电（东莞）有限公司 | Electric toothbrush and motor device thereof |
| CN107666199A (en) * | 2017-10-31 | 2018-02-06 | 台山市江口电器制造有限公司 | A kind of automobile permanent magnet brushless direct current motor |
| CN109391077A (en) * | 2018-10-30 | 2019-02-26 | 贵州航天林泉电机有限公司 | A kind of double redundancy limited angle torque motor with locking torque |
| CN111917263A (en) * | 2020-08-28 | 2020-11-10 | 上海莘汭驱动技术有限公司 | Permanent magnet alternating current servo motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |