CN205583967U - Permanent magnet motor - Google Patents
Permanent magnet motor Download PDFInfo
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- CN205583967U CN205583967U CN201620303343.XU CN201620303343U CN205583967U CN 205583967 U CN205583967 U CN 205583967U CN 201620303343 U CN201620303343 U CN 201620303343U CN 205583967 U CN205583967 U CN 205583967U
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- stator
- rotor
- motor
- permanent magnet
- magnetic pole
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Abstract
The utility model discloses a permanent magnet motor, for radial magnetic field formula motor, the brushless motor comprises a stator and a rotor, the interior circle of stator has a N stator tooth along the circumference equipartition, and around there being 1 coil, stator winding is formed to a N coil on every stator tooth, and wherein, N is for being not less than 12 integer. Simultaneously the magnetic pole number of rotor is not less than 12 and makes under every magnetic pole the width and the centrifugal force of magnet limited to be favorable to that the motor is high -speed to be moved and improve the security. The stator is folded by the annular thin slice that a plurality of shapes are the same and is suppressed into, and the material of this annular thin slice is amorphous magnetic materials, and its power consumption in alternating magnetic field is lower for silicon steel, has greatly improved the efficiency of motor.
Description
Technical field
This utility model relates to electric motors, particularly to a kind of permanent magnet motor.
Background technology
Currently known vehicula motor structure includes stator, rotor, rotating shaft, support etc., and stator is general
Use reserved slotted cold-reduced silicon sheet to be stacked, and winding is installed in groove.But the magnetic conduction of stator
Material is usually present power attenuation in alternating magnetic field, and stalloy is as permeability magnetic material power attenuation numerical value
Very big, especially even can exceed the one of motor power consumption summation in high speed rotary speed area power attenuation
Half, thus cause the inefficient of motor, and have influence on operation safety.The motor of traditional structure is
Reduction power attenuation, commonly used fewer number of number of poles, such as 6 poles, 8 poles, due to number of poles relatively
Few, the width of rotor each magnetic pole lower magnet is relatively big, and the centrifugal force therefore produced is very big, is unfavorable for electronic
Machine runs up.
Utility model content
In view of the above problems, this utility model provides a kind of permanent magnet motor, to solve existing motor
Power attenuation is relatively big, and the problem that cannot run up.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
This utility model provides a kind of permanent magnet motor, for radial magnetic field formula motor, including: stator and
Rotor,
The inner circle of described stator has been evenly distributed N number of stator tooth, and each stator tooth is wound with a coil,
N number of coil composition stator winding, wherein, N is the integer not less than 12；
Described stator is stacked by the annular flake that multiple shapes are identical, and the material of this annular flake is non-
Brilliant permeability magnetic material.
Alternatively, described amorphous permeability magnetic material is Fe-based amorphous alloy.
Alternatively, described rotor is stacked by the annular flake that multiple shapes are identical, this annular flake
Material is silicon steel；
The cylindrical of described rotor has been evenly distributed M magnetic pole, has L rotor slot, often under each magnetic pole
Individual rotor slot is embedded with 1 Magnet, and wherein, M is the even number not less than 12, and L is not less than 1
Integer.
Alternatively, the pole orientation of described Magnet is vertical with the radial direction of described rotor or is obliquely installed.
Alternatively, described stator winding uses centralized winding.
The beneficial effects of the utility model are: this utility model provides a kind of permanent magnet motor, for radial direction magnetic
Field formula motor, including stator and rotor, the inner circle of described stator has been evenly distributed N number of stator tooth,
Being wound with 1 coil on each stator tooth, N number of coil composition stator winding, wherein, N is for being not less than
The integer of 12.Number of magnetic poles makes the width of each magnetic pole lower magnet and centrifugal force limited not less than 12 simultaneously,
Thus beneficially motor high-speed cruising improve safety.Described stator is by the identical annular of multiple shapes
Thin slice is stacked, and the material of this annular flake is amorphous permeability magnetic material, its power in alternating magnetic field
It is lost relatively low relative to silicon steel, drastically increases the efficiency of motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the motor of this utility model embodiment.
Wherein, 1 is stator, and 2 is stator slot, and 3 is rotor, and 4 is rotor slot, and 5 is Magnet, and 6 for turning
Axle, 7 is stator tooth.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing pair
This utility model embodiment is described in further detail.
As it is shown in figure 1, this utility model embodiment provides a kind of permanent magnet motor, for radial magnetic field formula electricity
Motivation, including: stator 1, rotor 3 and rotating shaft 6, rotor 3 is arranged in rotating shaft 6, and can carry
Dynamic rotating shaft 6 rotates.The inner circle of stator 1 has been evenly distributed N number of stator slot, and wherein, N is the least
In the integer of 12.In a specific embodiment of the present utility model, N is 18.Stator slot 2 is for leaving
Mouth groove, is positioned at the edge of stator 1 inner circle, and opening is towards rotor 3.Adjacent two stator slots 2 are formed
One stator tooth 7, each stator tooth 7 is wound with a coil (not shown), each coil
Span be a tooth pitch, N number of coil composition stator winding, stator winding use centralized winding.Collection
Chinese style winding is conducive to improving winding inserting speed, and reduces the end height of winding.
In embodiment of the present utility model, stator 1 is stacked by the annular flake that multiple shapes are identical,
The material of this annular flake is amorphous permeability magnetic material.In an embodiment of the present utility model, amorphous is led
Magnetic material is Fe-based amorphous alloy.Amorphous permeability magnetic material power attenuation in alternating magnetic field is relative to silicon steel
Relatively low, drastically increase the efficiency of motor, especially when motor runs up.
Rotor 3 is stacked by the annular flake that multiple shapes are identical, and the material of this annular flake is silicon steel.
The cylindrical of rotor 3 is circumferentially arranged M magnetic pole, has L rotor slot 3 under each magnetic pole, each
Rotor slot 3 is embedded with a Magnet 5, and wherein rotor slot number M is the even number not less than 12, each
Magnetic pole lower rotor part groove number L is the integer not less than 1.In this utility model embodiment, rotor is common
Having 12 magnetic poles, have 2 rotor slot under each magnetic pole, each rotor slot is embedded with a Magnet 5,
Have 24 Magnet.Here number of magnetic poles refers to magnetic field quantity set in rotor, the most often
Two Magnet constitute the magnetic field strengthened.It should be noted that under pole number M and each magnetic pole
Rotor slot number L all can be arranged the most flexibly.The pole orientation of Magnet 5 and the radial direction of rotor 3
Being obliquely installed, two Magnet under each magnetic pole are symmetrical arranged.After Magnet magnetic flux under each magnetic pole converges
Stator core is arrived through the air gap stator and rotor.Certainly, the pole orientation of Magnet and rotor
Radially also can be vertically arranged.
In this utility model embodiment, pole number is 12, and Magnet number is 24.At same size
Under rotor, the more width making each magnetic pole lower magnet 5 of pole number and centrifugal force are limited, thus have
It is beneficial to motor high-speed cruising and improves the safety of motor.
In sum, this utility model embodiment provides the benefit that: this utility model provides a kind of permanent magnetism
Motor, for radial magnetic field formula motor, including stator and rotor, the inner circle of described stator is the most equal
Being furnished with N number of stator tooth, each stator tooth is wound with 1 coil, N number of coil forms stator winding,
Wherein, N is the integer not less than 12.Rotor magnetic pole number makes magnetic under each magnetic pole not less than 12 simultaneously
Width and the centrifugal force of ferrum are limited, thus beneficially motor high-speed cruising improve safety.Described fixed
Son is stacked by the annular flake that multiple shapes are identical, and the material of this annular flake is amorphous permeability magnetic material,
Its power attenuation in alternating magnetic field is relatively low relative to silicon steel, drastically increases the efficiency of motor.
The foregoing is only preferred embodiment of the present utility model, be not intended to limit this utility model
Protection domain.All made within spirit of the present utility model and principle any amendment, equivalent,
Improve, be all contained in protection domain of the present utility model.
Claims (5)
1. a permanent magnet motor, for radial magnetic field formula motor, including: stator and rotor, its feature
It is,
The inner circle of described stator has been evenly distributed N number of stator tooth, and each stator tooth is wound with a coil,
N number of coil composition stator winding, wherein, N is the integer not less than 12；
Described stator is stacked by the annular flake that multiple shapes are identical, and the material of this annular flake is non-
Brilliant permeability magnetic material.
Permanent magnet motor the most according to claim 1, it is characterised in that described amorphous permeability magnetic material
For Fe-based amorphous alloy.
Permanent magnet motor the most according to claim 1, it is characterised in that described rotor is by multiple shapes
The annular flake that shape is identical is stacked, and the material of this annular flake is silicon steel；
The cylindrical of described rotor has been evenly distributed M magnetic pole, has L rotor slot, often under each magnetic pole
Individual rotor slot is embedded with 1 Magnet, and wherein, M is the even number not less than 12, and L is not less than 1
Integer.
Permanent magnet motor the most according to claim 3, it is characterised in that the magnetic pole side of described Magnet
To vertical with the radial direction of described rotor or be obliquely installed.
Permanent magnet motor the most according to claim 1, it is characterised in that described stator winding uses
Centralized winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620303343.XU CN205583967U (en) | 2016-04-12 | 2016-04-12 | Permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620303343.XU CN205583967U (en) | 2016-04-12 | 2016-04-12 | Permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205583967U true CN205583967U (en) | 2016-09-14 |
Family
ID=56865596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620303343.XU Active CN205583967U (en) | 2016-04-12 | 2016-04-12 | Permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205583967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896862A (en) * | 2016-04-12 | 2016-08-24 | 精进电动科技（北京）有限公司 | Permanent magnet motor |
-
2016
- 2016-04-12 CN CN201620303343.XU patent/CN205583967U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896862A (en) * | 2016-04-12 | 2016-08-24 | 精进电动科技（北京）有限公司 | Permanent magnet motor |
| WO2017177740A1 (en) * | 2016-04-12 | 2017-10-19 | 精进电动科技股份有限公司 | Permanent magnet motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100016 Beijing City, Chaoyang District Road No. 5 (Putian Industrial Science and Technology Park Building No. 7) Patentee after: Sophisticated electric Polytron Technologies Inc Address before: 100016 Beijing City, Chaoyang District Road No. 5 (Putian Industrial Science and Technology Park Building No. 7) Patentee before: Jing-Jin Electric Technologies (Beijing) Co., Ltd. |