CN205911929U - Permanent magnet synchronous motor - Google Patents
Permanent magnet synchronous motor Download PDFInfo
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- CN205911929U CN205911929U CN201620841714.XU CN201620841714U CN205911929U CN 205911929 U CN205911929 U CN 205911929U CN 201620841714 U CN201620841714 U CN 201620841714U CN 205911929 U CN205911929 U CN 205911929U
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- rotor
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- permanent magnet
- ring flange
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Abstract
The utility model belongs to the technical field of the permanent -magnet machine technique and specifically relates to a permanent magnet synchronous motor, including casing, rotor, cover on the rotor stator, bearing bracket, ring flange and be used for supporting the support of wiring board, the one end of rotor is connected with chassis bottom through first bearing, the other end of rotor passes through the second bearing to be connected with bearing bracket, bearing bracket overlaps and establishes on the ring flange, the ring flange passes through the screw to be connected with the casing, support group spare sets up between stator and ring flange, the rotor includes that rotor core, rotor pivot and cover establish cylinder overall structure's on rotor core permanent magnet, the permanent magnet magnetizes through slant multi -magnetic -pole radial radiation and makes permanent magnet circumference form the N utmost point and the S utmost point that slopes in turn, and the N utmost point of its medium dip and the oblique angle an of the S utmost point are 18 0.5 to effectually reduce the tooth's socket torque, reduced noise and vibrations.
Description
Technical field
The utility model is related to magneto technical field, especially a kind of permasyn morot.
Background technology
Permagnetic synchronous motor is more and more employed with higher operational efficiency, to reach the effect of energy-conservation.Permanent magnetism is same
Permanent magnet in step motor will not change the power of magnetic according to the position of motor and state, so in circumferencial direction operation process
In, the magnetic pole of magnet can have different attractions to stator tooth and groove, and attraction of different sizes will lead to rotor when rotated
Torque is fluctuated, and this fluctuation can lead to vibration and the noise of motor rotation, and especially to powerful motor, this reason produces
Vibration and noise particularly evident.I.e. permagnetic synchronous motor will be because the cogging torque that the characteristic of p-m rotor produces will cause motor
Vibration and noise, one of the measure reducing noise of motor and vibration is exactly cogging torque when reducing motor rotation.
Utility model content
The technical problems to be solved in the utility model is: in order to solve existing permagnetic synchronous motor cogging torque bigger than normal,
The big problem of noise vibration, the utility model provides a kind of permasyn morot, by passing through on cylindrical permanent-magnet body
Slant multiple magnetic pole radial radiation is magnetized so that permanent magnet circumference is alternatively formed n pole and the s pole of inclination, wherein the n pole of inclination and s pole
Oblique angle a be 18 ° ± 0.5 °, thus effectively reducing cogging torque, reduce noise and vibrations.
The utility model solves its technical problem and be the technical scheme is that a kind of permasyn morot, including machine
Shell, rotor, the stator being enclosed within rotor, bearing bracket, ring flange and the support for supporting terminal plate, one end of rotor leads to
Cross clutch shaft bearing to be connected with bottom of shell, the other end of rotor is connected with bearing bracket by second bearing, and bearing bracket is sheathed
Upper in ring flange, ring flange is connected with casing by screw, and support component is arranged between stator and ring flange, and support includes
The circular arc mated with the end of stator supports body and the lead division for fixed stator power outlet, supports the upper of body
Portion is provided with three circular arc draw-in grooves for fixing copper sheet insulated from each other and the link slot for supporting lug, supports body lower part
It is provided with the notch cuttype support claw for mating with the end of stator, lead division is provided with three being connected with three draw-in grooves respectively and is used for
The fixing lead-out groove drawing copper coin, supports body to be integrally formed with lead division, lead division is fixedly connected on the side wall supporting body
On, described rotor includes rotor core, rotor shaft and is set in the integrally-built permanent magnet of cylindrical shape on rotor core, described
Rotor core is set on rotor shaft and is fixedly connected with rotor shaft, and described permanent magnet is hot pressing neodymium iron boron, described permanent magnetism
Body is magnetized so that permanent magnet circumference is alternatively formed n pole and the s pole of inclination, the wherein n of inclination by slant multiple magnetic pole radial radiation
The oblique angle a of pole and s pole is 18 ° ± 0.5 °.
Specifically, it is provided with the lockable mechanism preventing short circuit for locking copper sheet in described draw-in groove, be prevented from copper sheet
Movement it is ensured that the safety and stability of motor, effectively reduce the incidence of accident, extend electrical machinery life it is ensured that electricity
The quality of machine.
Specifically, also include the rotor guard shield for protecting permanent magnet, described rotor guard shield is sheathed on the permanent magnet,
Even if permanent magnet has fragment to produce it is also possible to make it will not enter inside air gap, permanent magnet can also be protected simultaneously, prevent from giving birth to
Rust.
Specifically, also include for measuring the rotating shaft angular travel of rotor and the rotary transformer of angular speed.
Specifically, also include insulation frame for stator, described insulation frame for stator is fastened on stator tooth, described stator insulation
Skeleton is provided with the gathering sill facilitating coil-winding, and described support claw is fastened on outside described insulation frame for stator, thus significantly
Facilitate regular coiling, reduce workload.
Further, described insulation frame for stator is provided with the groove placing copper earth plate, facilitates each stator coil to connect
Ground connects.
Further, also include for supporting the upper insulating supporting drawing copper coin and lower insulating supporting, described upper insulation
Support is fixedly connected with ring flange, and described lower insulating supporting is connected with fixing casing, prevents extraction copper coin to be short-circuited.
Further, also include the wave washer for buffering, described wave washer be arranged on casing and clutch shaft bearing it
Between.
Further, it is provided with described draw-in groove and the cushion hole supporting body bottom portion to connect, described cushion hole is arranged on lock
The lower section of locking mechanism it is ensured that lockable mechanism can locked copper sheet, be also prevented from the damage that locking process leads to draw-in groove.
Further, described support claw is provided with extension, and described extension is formed for placing coil with supporting body
Coil groove it is ensured that coil row line gauge is whole.
The beneficial effects of the utility model are: the utility model provides a kind of permasyn morot, is prevented from copper
The movement of piece, it is ensured that the safety and stability of motor, effectively reduces the incidence of accident, extend electrical machinery life it is ensured that
The quality of motor；And cylindrical permanent-magnet body is magnetized by slant multiple magnetic pole radial radiation, thus changing the magnetic of permanent magnet
The line of force is moved towards, and effectively reduces cogging torque, also improves the content of 5 subharmonic in the counter electromotive force of magneto, reduces
Torque ripple in motor operation, and then reduce the fluctuation of motor output speeds, reduce motor rotation noise and operating shake
Dynamic.
Brief description
With reference to the accompanying drawings and examples the utility model is further illustrated.
Fig. 1 is a kind of structural representation of permasyn morot of the present utility model；
Fig. 2 is the first structure schematic diagram of Fig. 1 medium-height trestle；
Fig. 3 is the second structural representation of Fig. 1 medium-height trestle；
Fig. 4 is the structure schematic diagram of rotor in Fig. 1；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is original technical scheme and the technical program back-emf harmonic content comparison diagram in embodiment 2；
In figure: 1. casing；2. rotor；3. stator；4. clutch shaft bearing；5.；6. bearing bracket；7. ring flange；8.
Terminal plate；9. support；10. rotary transformer；11. insulation frame for stators；12. grooves；Insulating supporting on 13.；Under 14.
Insulating supporting；15. extraction copper coins；16. wave washers；21. rotor cores；22. rotor shafts；23. permanent magnets；24.
Rotor guard shield；91. support bodies；92. lead divisions；911. draw-in groove；912. link slot；913. support claw；914. coil
Groove；921. lead-out groove；9111. lockable mechanism；9112. cushion hole；9131. extension.
Specific embodiment
Presently in connection with accompanying drawing, the utility model is described in further detail.These accompanying drawings are the schematic diagram of simplification,
Basic structure of the present utility model is only described in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, a kind of permasyn morot, including casing 1, rotor 2, is enclosed within rotor 2
Stator 3, bearing bracket 6, ring flange 7 and the support 9 for supporting terminal plate 8, clutch shaft bearing 4 and machine are passed through in one end of rotor 2
Shell 1 bottom connects, and the other end of rotor 2 is connected with bearing bracket 6 by second bearing 5, and bearing bracket 6 is set in ring flange 7
Upper, ring flange 7 is connected with casing 1 by screw, and support component is arranged between stator 3 and ring flange 7, support 9 include with
The circular arc of the end coupling of stator supports body 91 and the lead division 92 for fixed stator power outlet, supports body 91
Top be provided with three circular arc draw-in grooves 911 for fixing copper sheet insulated from each other and for supporting the link slot 912 of lug,
Support body 91 bottom is provided with notch cuttype support claw 913 for mating with the end of stator, lead division 92 be provided with respectively with three
Three of draw-in groove 911 connection are used for the fixing lead-out groove 921 drawing copper coin 15, support body 91 to be integrally formed with lead division 92,
Lead division 92 is fixedly connected on the side wall supporting body 91, is provided with and prevents short circuit for locking copper sheet in draw-in groove 911
Lockable mechanism 9111.
Embodiment 2
Substantially the same manner as Example 1, difference is: as shown in Figure 4 and Figure 5, rotor 2 includes rotor core 21, turns
Sub- rotating shaft 22 and be set in the integrally-built permanent magnet of cylindrical shape 23 on rotor core 21, rotor core 21 is set in rotor shaft
It is fixedly connected on 22 and with rotor shaft 22, permanent magnet 23 is hot pressing neodymium iron boron, permanent magnet 23 passes through slant multiple magnetic pole radial spoke
Penetrate n pole and the s pole magnetized so that permanent magnet 23 circumference is alternatively formed inclination, the wherein oblique angle a of the n pole of inclination and s pole be 18 ° ±
0.5 °, thus changing the magnetic line of force trend of permanent magnet, effectively reducing cogging torque, also improving the anti-electricity of magneto
The content of 5 subharmonic in kinetic potential, reduces torque ripple in motor operation, and then reduces the fluctuation of motor output speeds, fall
Low motor rotation noise and operating vibrations.
As Fig. 6, from the point of view of emulating data, 5 subharmonic substantially reduce.
Permanent magnet 3 is carried out with slant multiple magnetic pole radial radiation magnetize, magnetize electric current: 13.9 ± 0.7ka2000uf, reference
Voltage 2400v；Maximum magnetizes below electric current 18ka (2000uf).
Preferably, also including the rotor guard shield 24 for protecting permanent magnet 23, rotor guard shield 24 is set in permanent magnet 23
On.
Preferably, also including the rotary transformer 10 of rotating shaft angular travel for measuring rotor and angular speed.
In a kind of specific embodiment, also include insulation frame for stator 11, insulation frame for stator 11 is fastened on stator tooth,
Insulation frame for stator 11 is provided with the gathering sill facilitating coil-winding, and support claw 913 is fastened on outside insulation frame for stator 11.
Preferably, insulation frame for stator 11 is provided with the groove 12 placing copper earth plate.
In a kind of specific embodiment, also include for supporting the upper insulating supporting 13 drawing copper coin 15 and lower insulating supporting
14, upper insulating supporting 13 is fixedly connected with ring flange 7, and lower insulating supporting 14 is connected with fixing casing 1.
In a kind of specific embodiment, also include the wave washer 16 for buffering, wave washer 16 is arranged on casing 1 He
Between clutch shaft bearing 4.
Preferably, being provided with draw-in groove 911 and the cushion hole 9112 supporting body 91 bottom to connect, cushion hole 9112 is arranged
Lower section in lockable mechanism 9111.
Preferably, support claw 913 is provided with extension 9131, extension 9131 is formed for placing with supporting body 91
The coil groove 914 of coil.
In describing the invention it is to be understood that term " " center ", " on ", D score, "front", "rear", " left ",
The orientation of instruction or the position such as " right ", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " axial ", " radially ", " circumferential "
Relation is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, rather than refers to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as limitation of the present invention.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, related work people
Member can carry out various change and modification completely in the range of without departing from this utility model technological thought.This reality
The content being not limited on specification with new technical scope it is necessary to determine its technology according to right
Property scope.
Claims (10)
1. a kind of permasyn morot, including casing (1), rotor (2), the stator (3) being enclosed within rotor (2), bearing retainer
Frame (6), ring flange (7) and be used for supporting the support (9) of terminal plate (8), clutch shaft bearing (4) and machine are passed through in one end of rotor (2)
Shell (1) bottom connects, and the other end of rotor (2) is connected with bearing bracket (6) by second bearing (5), and bearing bracket (6) is sheathed
Upper in ring flange (7), ring flange (7) is connected with casing (1) by screw, and support component is arranged on stator (3) and ring flange
(7), between, the circular arc that support (9) includes mating with the end of stator supports body (91) and draws for fixed stator power supply
The lead division (92) of line, supports the top of body (91) to be provided with three circular arc draw-in grooves for fixing copper sheet insulated from each other
(911) with for supporting the link slot (912) of lug, body (91) bottom is supported to be provided with the rank for mating with the end of stator
Ladder type support claw (913), lead division (92) is provided with three connecting respectively with three draw-in grooves (911) for fixing extraction copper coin
(15) lead-out groove (921), supports body (91) to be integrally formed with lead division (92), and lead division (92) is fixedly connected on support originally
On the side wall of body (91) it is characterised in that: described rotor (2) includes rotor core (21), rotor shaft (22) and is set in turn
The upper integrally-built permanent magnet of the cylindrical shape (23) of sub- iron core (21), described rotor core (21) is set on rotor shaft (22) simultaneously
It is fixedly connected with rotor shaft (22), described permanent magnet (23) is hot pressing neodymium iron boron, described permanent magnet (23) passes through oblique many magnetic
Pole radial radiation magnetizes so that permanent magnet (23) circumference is alternatively formed the oblique of n pole and the s pole of inclination, wherein the n pole of inclination and s pole
Angle a is 18 ° ± 0.5 °.
2. a kind of permasyn morot according to claim 1 it is characterised in that: be provided with use in described draw-in groove (911)
Prevent the lockable mechanism (9111) of short circuit in locking copper sheet.
3. a kind of permasyn morot according to claim 1 it is characterised in that: also include for protecting permanent magnet
(23) rotor guard shield (24), described rotor guard shield (24) is set on described permanent magnet (23).
4. a kind of permasyn morot according to claim 1 it is characterised in that: also include for measure rotor turn
The rotary transformer (10) of axis angular displacement and angular speed.
5. a kind of permasyn morot according to claim 1 it is characterised in that: also include insulation frame for stator
(11), described insulation frame for stator (11) is fastened on stator tooth, described insulation frame for stator (11) be provided with facilitate coil around
The gathering sill of line, described support claw (913) is fastened on outside described insulation frame for stator (11).
6. a kind of permasyn morot according to claim 5 it is characterised in that: on described insulation frame for stator (11)
It is provided with the groove (12) placing copper earth plate.
7. a kind of permasyn morot according to claim 1 it is characterised in that: also include for support draw copper coin
(15) upper insulating supporting (13) and lower insulating supporting (14), described upper insulating supporting (13) is fixedly connected with ring flange (7), institute
State lower insulating supporting (14) to be connected with fixing casing (1).
8. a kind of permasyn morot according to claim 1 it is characterised in that: also include for buffering Corrugation pad
Circle (16), described wave washer (16) is arranged between casing (1) and clutch shaft bearing (4).
9. a kind of permasyn morot according to claim 2 it is characterised in that: be provided with described draw-in groove (911) with
Support the cushion hole (9112) of body (91) bottom connection, described cushion hole (9112) is arranged under lockable mechanism (9111)
Side.
10. a kind of permasyn morot according to claim 1 it is characterised in that: described support claw (913) is provided with
Extension (9131), described extension (9131) forms the coil groove (914) for placing coil with supporting body (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620841714.XU CN205911929U (en) | 2016-08-04 | 2016-08-04 | Permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620841714.XU CN205911929U (en) | 2016-08-04 | 2016-08-04 | Permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205911929U true CN205911929U (en) | 2017-01-25 |
Family
ID=57803246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620841714.XU Active CN205911929U (en) | 2016-08-04 | 2016-08-04 | Permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205911929U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208578A (en) * | 2016-08-04 | 2016-12-07 | 日本电产凯宇汽车电器（江苏）有限公司 | A kind of permasyn morot |
| CN110832754A (en) * | 2017-06-02 | 2020-02-21 | 法雷奥***公司 | Gear motor for a motor vehicle scraping system |
-
2016
- 2016-08-04 CN CN201620841714.XU patent/CN205911929U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208578A (en) * | 2016-08-04 | 2016-12-07 | 日本电产凯宇汽车电器（江苏）有限公司 | A kind of permasyn morot |
| CN106208578B (en) * | 2016-08-04 | 2018-09-04 | 日本电产凯宇汽车电器（江苏）有限公司 | A kind of permasyn morot |
| CN110832754A (en) * | 2017-06-02 | 2020-02-21 | 法雷奥***公司 | Gear motor for a motor vehicle scraping system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |